Inside Out Library · Explore

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

leaf 7

An illustration from Scientific American, Vol. 56, No. 14 (1887), 1887, leaf 7
ed, to prevent from our engravings it will be seen that the unsightly The eye for suspending the bell on a hook will be 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…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 56, No. 14 (1887)

More like this