Bangerter's inventions; his marvelous time clock (1911)
[King, Everett Lincoln], 1863- ed. [from old catalog] · [New York, The McConnell printing co.] · leaf 76
nvention is to provide such a power-storage device that with one winding of the same the clock maybe k€pt running, and also striking the time, for a year or more induration. A further object of my invention is to provide means in con-nection with said power-storage device whereby the winding ofthe… … DRAWING OF BANGERTERS SELF-WINDING CLOCK.
Bangerter, Friedrich, 1868 · Perpetual motion · Clocks and watches
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