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

leaf 5

An illustration from Scientific American, Vol. 62, No. 22 (1890), 1890, leaf 5
he cord or twine used therewith, is shown in the illustra- 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… … wire, 87 miles of insulated No. 12 copper wire, carried tion by the government to determine whether the in- 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 are and, if patentable, they pay…

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