Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 449
c consumed per minute,but a less tedious process is to graduate it from a Petries Galvanometer, which indicates all the requiredunits of electricity and then- fractions, by means of weights; the accuracy of that instrument being firsttested by one sucli direct experiment on the zinc consumed. This… … Fi°-s. 1259 and 1260 are representations of a lamp embodying this improvement. The skeleton ofthis lamp is composed of a foundation-plate of wood A, a sole-plate B of brass, firmly connected bypillars C and a three-legged stand K rising vertically from the sole-plate B, the feet of -which…
Mechanical engineering · Mechanics · Engineering
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