Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 195
l in section. The outervessel. A, is of salt-glazed earthenware, with acapacity of about two 174 Astronomical Observatories. [Jour. Frank. Inst., gallons. G is the carbon plate, which is cut out of the crude materialfrom the gas-works, merely having its edges trued with a saw. B isthe porous cell,… … potash, dissolved in one gallon of hot water, to which is afterwardsadded one pound of sulphuric acid. The inner cell is charged withdilute sulphuric acid, in the proportion of 1 to 10. The three cells arecoupled for intensity. When not in use, the zincs are raised out ofthe liquid, and suspended…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
