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The Daily Dispatch: March 30, 1863., [Electronic resource] 2 0 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 1 1 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), G. (search)
carbon to the peroxide, the whole being ground into a paste. Professor Bunsen, a few years since, introduced bichromate of potash instead of nitric acid in the battery bearing his name. This performs well for a time, but in consequence of the precipitation of sesquioxide of chromium upon the zinc it gradually loses power. Another modification dispenses with the porous cup, using the two liquids in mixture. The same objection attaches to this as to the former. In the battery of Professor Thomsen of Copenhagen, a number of plates of platinum are immersed in dilute sulphuric acid, and are, by means of an electro-magnetic motor, successively brought into contact with the poles of a single cell of Daniell. The plates become covered by the decomposition of water with oxygen on one side and hydrogen on the other, giving rise to a powerful current in the platinum combination, which is maintained nearly constant when the contacts succeed one another rapidly and regularly. To descr
The Daily Dispatch: March 30, 1863., [Electronic resource], The sufferings of Virginia. (search)
Military prison. --The following arrivals were booked at the military prison on Saturday last, viz: Patrick McGuire, company B. 6th Louisiana, charged with dictating the 24th article of war; J. H. Smarr, a Yankee spy, to be court-martialed; Johnson, copy, sent from Staunton; Thomsen is a recaptured Yankee prisoner, and fourteen men fide sentence of court martial.