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Scientific American, Vol. 61, No. 19 (1889) (1889)

leaf 4

An illustration from Scientific American, Vol. 61, No. 19 (1889), 1889, leaf 4
tle passes with which, should the lamp be overturned or thrown jecting pins or bolts, to serve as foot rests for workmen being recessed to receive a spring coiled around the much out of perpendicular, the flame will be automa- climbing to the scaffold floor. The plank-supporting pintle, one end of… … Dr. A. Lohmann, of Cassel, communicates to the been patented by Mr. Joseph Miller, of Olean, N. Y. Deutsche Medicinische Wochenschrift several interest- The collar by which the burner is attached to the lamp ing cases from his dental practice. The first was that body is carried inward and upward to…

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