Bangerter's inventions; his marvelous time clock (1911)
[King, Everett Lincoln], 1863- ed. [from old catalog] · [New York, The McConnell printing co.] · leaf 80
that science hasever devised to watch your house day and night. It is the truestof all Watch Dogs and will in case of fire make such a loud andnoisy alarm that you will wake up from the deepest of sleeps.It calls when the fire is at its infancy, in time to save you andyour beloved ones. It is a…
Bangerter, Friedrich, 1868 · Perpetual motion · Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
