s maintained in a high state of incandes- tricians a general explanation of the Brush-Swan apparatus place a vast amount of treasure! "We have nothing now to cence, emitting a very steady white light. for electric lighting. The salient features of the system are do with the whimsical stories told… … lighting. fragments. The main passage runs from east to west for As to the durability of the Swan lamp, we are informed THE SWAN LAMP. twelve feet, and then turns abruptly north for sixteen feet. that in the Savoy Theater, London, which is illuminated by This measurement does not include rifts and…
Patents · Apparatus · Manufacture · Scientific American · Cured · Government hospital · Carbonic acid · Wood working · White lead · Undulatory theory · Large number · Electric light · Sewing machine · Brush electric
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