Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 256
s attached to it 6 or 8 in. of rubber tubing, which termi-nates in a mouth-piece formed from glass tubing 3 or 4 in. long.There is also provided a plug of glass rod with which to replacethe mouth-piece when the tube has to be closed. In order thatthe bottle may be air-tight, the cork with the three… … 244 APPENDIX C. HEAT. Apparatus for Testing Thermometers.—A piece of large glasstubing about 1 ft. long is supported vertically. In the upperend is a cork with two holes, one for the thermometer and onefor the steam-pipe. In the lower end is a cork perforated forthe escape of the steam. Apparatus…
Physics
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