Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 75
refeldZurich, Bale, Turin, Milan, Vienna, Paris, London,&c., &c. Fig. 22 shows the external appearance of the essential apparatus ofsuch an establish-ment, namely,the desiccator.It consists of anenamelled cylin-drical hot - airchamber. Onearm of a finebalance sustainsa crown of hooks,to… … Fig. 23.—Section of Conditioniug Cliamber. a vertical sectionof the chamber. Hot air at 110° C. enters by the tube a from a stove situ-ated in a cellar below, passes into the space b, and thenceby thirty-two vertical tubes, t, placed between the twoconcentric cylinders c and d, it enters the upper…
Dyes and dyeing
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-31-36.webp)
