s to remember midity had risen to 75 per cent. At 1:10 the opera- orating surface provided in the nest of cylinders, com- bined with the large volume of air which is drawn some chemical data. tion of the machine was reversed, and the process of through the cylinders by the fan. The air, with its A… … Dry. | Wet. Feed.| Return. | Dry. | Wet. Humidity the orange sulphide of antimony and black sulphide A CHEMICAL TRICK, of lead takes place in a few seconds. Deg. | Deg. | Per Cent. Deg. Deg. Deg. ‘Deg. Per Cent. feed water being passed into the machine at 67 ST + 8 2 ‘12.25 | 78 67 57 105 93 87 82…
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-774-582.webp)
