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Scientific American, Vol. 84, No. 11 (1901) (1901)

leaf 9

An illustration from Scientific American, Vol. 84, No. 11 (1901), 1901, leaf 9
ed portion. Above nied that the ceiling-switch has merits which com- rise, possibly earlier, and continue until half an hour the holders each of the supports carries hooks. The mend it to every consumer of electricity. It can be before sunset. It is possible that with cheaper meth- ods of storing… … set-screw by which collars are usually held on shafts. These set-screws have been condemned by factory in- spectors, and even prohibited by law, for which reason they have often been countersunk, thus weakening the bunk itself is provided with contracted necks, which collar. Moreover, the collar is…

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