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Scientific American, Vol. 44, No. 10 (1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 44, No. 10 (1881), 1881, leaf 4
ow, two rows being Mr. James N. Lee, of Natchitoches, La., has patented an by ice; it is not affected by backwater, save the loss of power of round teeth and two of flat teeth placed alternately. improved portable chamber for These teeth are secured in place hot air, vapor, warm water, and by being… … insure plain marking, are needle-pointed, and are sol- Mr. Edward Heyde, of East dered at their lower ends be- CHENEY’S HATCHELING DEVICE. Saginaw, Mich., has patented a tween metal strips fitted in slots boat rowing apparatus, the ob- in their respective blocks, so ject of which is to facilitate…

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