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Scientific American, Vol. 21, No. 25 (December 1869) (1869)

leaf 3

An illustration from Scientific American, Vol. 21, No. 25 (December 1869), 1869, leaf 3
out of order. With these essential qualities of have been found desirable in all respects except cost, is econ central zinc element. It is evident, therefore, that a series of success it combines strength, durability, and efficiency. omy in the long run. The invention we herewith illustrate,… … stations. The central conduc- THOMAS J. ADAMS' COMBINED FISH-BAR AND CHAIR tor, both in the cable and the station batteries, will here acquire a negative tension, pre- is, however, a combination of fish-joint and chair, and it is cisely as in the case of the battery shown in Fig. 1, since the…

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