5 August, 1831.
I have not taken into this estimate the expence of stables, which is considerable when compared with sheds for coke and water.
From these data I conclude the Carriage may be worked by Steam at one-fifth the expence of Horses.
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Have you any additional Evidence to give to the Committee, on points which you have considered after your last examination?—I have no further Evidence in connection with the practicability of the Carriage.
Would you wish to explain your former Evidence, or to give any additional Evidence upon the subject?—On looking over the Evidence I find it correct; I should observe, in explanation, that at 3s. a day I have taken in the wear and tear of the horses, and the attendance, and the fuel.
How long are your boilers calculated to last?—About three years fair treatment.
How frequently do they require examination?—Once a fortnight or three weeks ; it depends on the situations where they work, in some situations where lime is held in solution in the water in large quantities, they require cleaning oftener, but in other situations where there is very little earthy matter held in solution they will run for a month or two months.
Is there a facility of cleaning them?—There is, from recent improvements in cleaning, very great facility.
Is there any expence attendant on the operation of cleaning?—One day's work of a labourer, their not requiring an engineer.
