ALS in pencil, signed “Edison,” two pages, 5 x 8, December 5, 1923. Letter to "Payne," in full: "I think you should design & have made a machine to take at least 12 time test batteries (5 cells) at summer & 12 300 Rate winter time tests. We have plenty of men in machine shop and their work is nearly completed. I could shift some over & make your big machine quickly. It might save a year in getting at trouble." In fine condition, with a few small edge chips.
The Edison Storage Battery Company was organized in New Jersey on May 27, 1901, to develop, manufacture, and sell the alkaline storage battery that Thomas Edison had developed, which was used for mining lamps, train lighting and signaling, submarines, electric vehicles.
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