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Scientific American, Vol. 58, No. 12 (1888) (1888)

leaf 5

An illustration from Scientific American, Vol. 58, No. 12 (1888), 1888, leaf 5
RAPHY. The Pasteur Treatment in Barcelona. versely, is received upon the pin and rests upon the The municipal authorities of Barcelona, as we an- We illustrate herewith a system of telegraphy re- diaphragm. When a momentary current is sent nounced last year, have established a municipal micro-… … Ferran carried out the inoculations of his rabbits ac- ments of the key as manifested in the phone, the up- Fig. 1.-THE PHONE. ward movement being distinguished by a light stroke cording to Pasteur’s method—i. e., by trephining. and the down movement hy a heavy stroke. Fig. 6 shows the arrangement…

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