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Scientific American, Vol. 62, No. 22 (May 1890) (1890)

leaf 5

An illustration from Scientific American, Vol. 62, No. 22 (May 1890), 1890, leaf 5
- other bureaus of the Interior Department from their motion is arrested. When the circuit is opened, the tion, and has been patented by Mr. William B. Shafer, present quarters and giving the whole of the building armature falls back from the magnet. This releases of Somerset, Pa. The casing is… … wire, 87 miles of insulated No. 12 copper wire, carried tion by the government to determine whether the in- SHAFER'S HOLDER FOR PAPER BAGS. by 845 poles. It rings 18 engine house gongs, 6 small vention is new and useful, and therefore patentable, gongs for engineers, and the 4 tower bells. There…

Munn · Water · Adapted · Rice · Patents · Scientific American · Tallapoosa · Wire cloth · Typewriting machine · Stained glass · Red scale · Illustration represents · Lead strips · Carbonic acid · Fire alarm · Express money

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