Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 200
Fig. 116. Fig. 117. Bunsens Cell differs from Groves only in the substitutionof gas graphite for platinum in the porous vessel. Thisdiminishes the cost of the cell, but makes it less compact,and, on account of the porous texture of the carbon, lesscleanly to work with (Fig. 116). 114. Leclanches…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
