the carbons. ThSse strips are in connection with other new devices, renders the light very connected with conducting wires,B C, leading to the electric of ordinary rosin (colophony) is added, usually not over ten steady indeed. We show in our engravings two forms of per cent. The mass is cast into… … plate, put on the stone and a sufficient pressure applied. set of carbons is consumed the armature of that lamp is The transfer of the negative is finished, and the ordinary Fig. 2.-TJIE LEVITT-MULLER CONTINUOUS ABC LAMP. released in the same way, sending the current to the third lithographic…
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