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

leaf 7

An illustration from Scientific American, Vol. 47, No. 4 (July 1882), 1882, leaf 7
prison is conducted on the principle ofsolitary confinement. Each prisoner has his own lonelycell. These cells open on eight corridors, radiating from anoctagonal center. Tbe preachers stood at the outer ends ofthe corridors, and could be heard by the occupants of thecells in their several… … BOUEEYS DYNAMOMETEIC GOVEENOE. The great increase in the adoption of electrical illumina-tion opens up a new field for this governor, which is claimedto be the only one, really practical, that permits of employ-ing the electric light in many works where there, is notalways an excess of power…

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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