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Scientific American, Vol. 56, No. 14 (April 1887) (1887)

leaf 7

An illustration from Scientific American, Vol. 56, No. 14 (April 1887), 1887, leaf 7
that the unsightly The eye for suspending the bell on a hook will be about one-half. The sand was then dusted, to prevent magnet box is dispensed with, and the hemispherical seen to have been unscrewed and the bell placed in po- the next addition from adhering. Sand was then bell replaced by a bell… … bell the armature and Seegen, of Vienna, which IMPROVED ELECTRIC BELLS. hammer are in the form of has as its result the estab- lishment of the fact that an inverted U, and, being perfectly balanced from the point of suspension, the be screwed up to the vertical holder, seen to the left. the sugar…

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