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Scientific American, Vol. 23, No. 4 (July 1870) (1870)

leaf 3

An illustration from Scientific American, Vol. 23, No. 4 (July 1870), 1870, leaf 3
2. tion of the abutments of the Brooklyn bridge. He then gave The self-oiling box possesses superior advantages. It MECHANICAL FINGERS. a detailed description of the construction. consists of a chamber under the journal for the oil, which is The meeting then adjourned. fed to the bearing in We give… … ihe box, which prevent all end motion, and keep the ar- and in 1823 published a " Description of an Electric Tele- -*o^i*^ bor always in its proper place. graph, and of some other Electrical Apparatus." • Mr. Fig. 2, The adjustable cone bushing, Ronalds was too far ahead of his time, and too purely…

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