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Scientific American, Vol. 47, No. 4 (July 1882) (1882)

leaf 3

An illustration from Scientific American, Vol. 47, No. 4 (July 1882), 1882, leaf 3
Kg. 3, … Fi HERZS TELEPHONE SYSTEM. an old gaspipe hole, left there after some a terations in thearrangement of the office furniture. This was in such aposition relative to the cash drawer, that lines reevedthrough both the screw rings could be so worked as to dropin the lead upon the bills by one movement,…

Patented · Silk · Patents · Apparatus · Frame · Upper · Scientific American · Patent issued · Main frame · Silk culture · Sewing machine · Address munn · Raw silk · Sewing silk · Side bars · Fluid density

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