ead plates. at the end, with a gudgeon at each extremity. Strap round, but it has recesses through its body adapted to Plante experimented upon all conceivable metals and receive a locking bar mounted above the staple and combinations of metals to be used for electrodes in volt- ameters, and the… … tional machines and Leyden jars. The discovery of FROST’S LOCK FOR FREIGHT CAR DOORS, the lead accumulator was, so to speak, a by-product of his investigation. He also invented what he called the ing upon the top of the locking bar and secured to the ‘*machine rheostatique,” being essentially a…
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