Page:Philosophical Transactions of the Royal Society A - Volume 184.djvu/560

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DR. A. SCOTT ON THE COMPOSITION OF WATER BY VOLUME.
547

contain .0395 grm. of mercury per millim. length. The capillarity correction, due to the difference in diameter between the manometer tube C and the tube D, amounted to 3.9 millims., and between B and C to .1 millim. Temperatures were read to

Fig. 2.

  • A, Bulb for measuring gases.
  • B, Tube for measuring residues.
  • C, Manometer tube.
  • D, Calibrated tube.

1/100th of a degree centigrade in the later series of experiments, but only to 1/10th previously, by means of the thermometer G, after thorough mixture by means of a stirrer not shown in the figure. All heights were referred to the standard scale F,