me. Prom the above statements it. must not be inferred agents, for the chemical combinations to which it Prize for a Safe Method of Cutting Diamonds, that magnetized watches are to be found only in the may give rise when applied to paint-stained hands may possession. of the engineer and… … ratic and troublesome element may be elim- WATCH DEMAGNETIZER FOR DIRECT CURRENT. lead, but from copper, mercury, and arsenic inated. The fundamental principle upon as well; for these, too, can be converted into innocuous sulphides. which the demagnetization of watches is based is, that more…
Automobile · Feet · Munn · Cents · Motor · Electrical age · Scientific American · Gordon bennett · Chief engineer · Mont blanc · Mutual rubber · York city · Kenton baking · Paper published · Paul jones
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