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Scientific American, Vol. 90, No. 14 (April 1904) (1904)

leaf 3

An illustration from Scientific American, Vol. 90, No. 14 (April 1904), 1904, leaf 3
er frame, which corresponding metal. If the cathodic vessel has a per- whereas the latter remains in a spongy, friable state, is pivotally suspended from a pin attached to the transverse rod at right angles being capable of reduction, when pounded to extremely fine pow- to the ring that supports… … the grounds installing their rection is thus obtained by the exhibits. combination of its vertical and A VIEW OF GENEVA, DRAWN WITH THE PERSPECTARTIGRAPH. PANORAMA OF THE ALPS AS SEEN FROM MOUNX RIGHI. DRAWN WITH THE PERSPECTARTIGRAPH LAST SUMMER. © 1904 SCIENTIFIC AMERICAN, INC

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