A Treatise on Soap-Making

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A

TREATISE

ON

SOAP-MAKING:

containing,

AN ACCOUNT OF THE ALKALINE MATERIALS;

TEST FOR DISCOVERING THE PRESENCE

OF AN ALKALI, &c.;

with

Full Directions for Manufacturing

YELLOW, PURE, WHITE, AND PERFUMED

HARD SOAP:

also,

Complete Instructions for

THE MAKING OF GREEN OR SOFT SOAP:

With other Requisites necessary to finish the

SOAP-BOILER.

To which is added,

ABSTRACTS OF THE EXCISE LAWS RELATIVE

TO HARD AND SOFT SOAP-MAKERS.



BY A MANUFACTURER.



Permit not Poverty thy abodes t'invade:
Be gold expedient—study well thy trade.
Trust not yourself, but your defects to know:
Make use of ev'ry friend— —and ev'ry foe.
Be niggards of advice on no pretence;
For the worst avarice is that of sense. POPE.



EDINBURGH :

printed by oliver & co. netherbow.

1807.

 


Entered in Stationers Hall.



 


CONTENTS.



  1. Page
  2. Address to the Reader
    ................................................................................................................................................................................................................................................................................................................................................................................................
    iii
  3. Preface
    ................................................................................................................................................................................................................................................................................................................................................................................................
    vii
  4. Treatise on hard and soft soap-making
    ................................................................................................................................................................................................................................................................................................................................................................................................
    13
  5. Different kinds of alkalis
    ................................................................................................................................................................................................................................................................................................................................................................................................
    16
  6. The two great divisions of salts
    ................................................................................................................................................................................................................................................................................................................................................................................................
    20
  7. Method of depriving them of their fixed air
    ................................................................................................................................................................................................................................................................................................................................................................................................
    21
  8. Alkaline salts for the use of the soap-boiler, how obtained.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    ibid.
  9. Kelp, how made, and what esteemed best
    ................................................................................................................................................................................................................................................................................................................................................................................................
    ibid.
  10. Ditto, used as a manure, and for feeding cattle, hogs, &c.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    22
  11. Ditto, the ashes of, used as salt for new cheese
    ................................................................................................................................................................................................................................................................................................................................................................................................
    23
  12. Barilla, where and how made
    ................................................................................................................................................................................................................................................................................................................................................................................................
    24
  13. Gazul, soza, and salicor, ditto
    ................................................................................................................................................................................................................................................................................................................................................................................................
    26
  14. Pot-ash, how prepared
    ................................................................................................................................................................................................................................................................................................................................................................................................
    29
  15. Process for detecting sand in alkaline materials
    ................................................................................................................................................................................................................................................................................................................................................................................................
    31
  16. Blue and white pearl ashes
    ................................................................................................................................................................................................................................................................................................................................................................................................
    33
  17. Russia and Muscovy ashes, Cashub ditto
    ................................................................................................................................................................................................................................................................................................................................................................................................
    34
  18. Marcoft ashes
    ................................................................................................................................................................................................................................................................................................................................................................................................
    35
  19. Preparation for setting a cave, or vat
    ................................................................................................................................................................................................................................................................................................................................................................................................
    37
  20. Setting ditto
    ................................................................................................................................................................................................................................................................................................................................................................................................
    39
  21. Test for discovering the presence of an alkali in any liquid substance
    ................................................................................................................................................................................................................................................................................................................................................................................................
    42
  22. Examination of leys, to discover their quality with regard to mildness or causticity
    ................................................................................................................................................................................................................................................................................................................................................................................................
    44
  23. Comparative strength betwixt one ley and another discovered
    ................................................................................................................................................................................................................................................................................................................................................................................................
    47
  24. Weight of spring water and strong soap-ley contrasted
    ................................................................................................................................................................................................................................................................................................................................................................................................
    49
  25. Concise and accurate method to ascertain the strength of soap-leys
    ................................................................................................................................................................................................................................................................................................................................................................................................
    ibid.
  26. Only one alkaline principle in nature
    ................................................................................................................................................................................................................................................................................................................................................................................................
    51
  27. Excisemen become soap-boilers
    ................................................................................................................................................................................................................................................................................................................................................................................................
    52
  28. A charge for yellow soap
    ................................................................................................................................................................................................................................................................................................................................................................................................
    53
  29. Boiling and finishing ditto
    ................................................................................................................................................................................................................................................................................................................................................................................................
    55
  30. Palm oil used therein
    ................................................................................................................................................................................................................................................................................................................................................................................................
    57
  31. Charge for pure white soap, and process
    ................................................................................................................................................................................................................................................................................................................................................................................................
    58
  32. Finishing ditto
    ................................................................................................................................................................................................................................................................................................................................................................................................
    59
  33. To prepare the scent for perfumed or Windsor soap
    ................................................................................................................................................................................................................................................................................................................................................................................................
    63
  34. The weights and measures to be understood throughout the work
    ................................................................................................................................................................................................................................................................................................................................................................................................
    69
  35. Table for casting up the dip of a soap frame, from one inch to one hundred, &c.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    71
  36. Examples of working the same by hot and cold area
    ................................................................................................................................................................................................................................................................................................................................................................................................
    72
  37. Glass hydrometer to ascertain the weight of leys
    ................................................................................................................................................................................................................................................................................................................................................................................................
    74
  38. A charge for 1st crown soft soap
    ................................................................................................................................................................................................................................................................................................................................................................................................
    76
  39. Proportions, and operation of making ditto
    ................................................................................................................................................................................................................................................................................................................................................................................................
    ibid.
  40. A charge for 2d crown, and operation.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    80
  41. A charge for common soft soap, with old soap returned
    ................................................................................................................................................................................................................................................................................................................................................................................................
    81
  42. General observations necessary to be attended to by the operator
    ................................................................................................................................................................................................................................................................................................................................................................................................
    83
  43. Experiment to ascertain the expence of white soap-making
    ................................................................................................................................................................................................................................................................................................................................................................................................
    87
  44. Calculation thereof
    ................................................................................................................................................................................................................................................................................................................................................................................................
    91
    1. Appendix
      ................................................................................................................................................................................................................................................................................................................................................................................................
      99
    2. Short dissertation on spoiled hard soap, cause and remedy
      ................................................................................................................................................................................................................................................................................................................................................................................................
      ibid.
    3. Dr Black's method of preparing a soap-ley
      ................................................................................................................................................................................................................................................................................................................................................................................................
      107
    4. Abridgment of Excise Laws
      ................................................................................................................................................................................................................................................................................................................................................................................................
      113
    5. Allowance for spoiled soap, cuttings, &c.
      ................................................................................................................................................................................................................................................................................................................................................................................................
      113
    6. Ditto for hard soap (only) repealed
      ................................................................................................................................................................................................................................................................................................................................................................................................
      115
    7. Legal frames for hard soap
      ................................................................................................................................................................................................................................................................................................................................................................................................
      116
    8. Legal casks for soft soap
      ................................................................................................................................................................................................................................................................................................................................................................................................
      117
    9. Act to prevent making soap in secret places
      ................................................................................................................................................................................................................................................................................................................................................................................................
      118
    10. Who are not qualified to make soap, though making entry
      ................................................................................................................................................................................................................................................................................................................................................................................................
      119
    11. Act Geo. III., being the last general statute relating to hard soap, and comprehending most of the former laws applicable to that article
      ................................................................................................................................................................................................................................................................................................................................................................................................
      121


This work was published before January 1, 1923, and is in the public domain worldwide because the author died at least 100 years ago.