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Scientific American, Vol. 57, No. 10 (1887) (1887)

leaf 10

An illustration from Scientific American, Vol. 57, No. 10 (1887), 1887, leaf 10
dry. The greater the shak- adjustment may be secured by increasing or diminish- the bands being drawn forward between the hooks ing together of the wet fibers in both directions of the” ing the tension of the wires. and slipped over one or the other of the nails to in- wire, the firmer and stronger… … pleted. One bed of salt, vibration is changed in 82 feet thick, was pene- authorities upon buceai bacteriology, Dr. Miller, finds trated, and a parting of anhydrous gypsum bored. scribed. A candle or other source of light is arranged so that the light from it will fall on one mirror and be re- ly…

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