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Scientific American, Vol. 35, No. 19 (November 1876) (1876)

leaf 7

An illustration from Scientific American, Vol. 35, No. 19 (November 1876), 1876, leaf 7
the proportion able. The grinding of the cutting edges is done by adjusta- of non-paying to paying visitors is far less. At the London tinuous reduction in diameter accompanies the wear of the ble machinery, so that uniformity is secured in the keenness Exhibition of 1851, 6,039,195 persons, paying… … in the fact that when, from the millions in all for 158 days, Sun- breakage of a few teeth, it is ne- days excluded, against the 8,805,- cessary to reduce the remainder, 969 for Paris in 317 days, Sundays SAW TEETH. HOE & CO.'S IMPROVED INSERTED R. to make the saw run true and all included. In its…

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