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The Sigal


The Sigel Transmitter

The Sigal Transmitter was an "automatic keyboard telegraph transmitter" which could have been used in conjunction with a typewriter or without. The Sigal Transmitter was invented by Benjyman P. Hayes and Sigel H. Gill of Topeka, Kansas. It was patented on December 26, 1905. The Sigel Transmitter Company produced the item.

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