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Scientific American, Vol. 6, No. 7 (February 1862) (1862)

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An illustration from Scientific American, Vol. 6, No. 7 (February 1862), 1862, leaf 0
s since there was invented an gence in manufactories, colleges and other places. hung upon a pivot near its lower end is bent aside as instrument called an annunciator, by which the long The patent for this invention was granted through it moves along the rod by its pin pressing against the roir'… … BENNETT'S TELEGRAPHIC ANNUNCIATOR. 1861, and further information in relation to it may the left hand end of the plate, A. When the slide, d, the side of the desk in the office. In this all the is released from its forward draft, it is drawn back by be obtained by addressing the inventor, J. H. H.…

Patents · Iron · Ment · Claim · Combination · Manner · Grain · Red heat · Carbonic acid · Scientific American · Purposes set · Purpose set · Salt water · Address munn · Sulphurous acid · Cast Iron · Breech pin

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