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Here's a Lewis Patent telegraph key that dates to the late 1870's and was manufactured in Chicago by Western Electric.
Condition is good overall, and the key appears to be original throughout. Scattered oxidation and pitting, but no structural issues, and the lever is still responsive when depressed. There is no shorting switch.
A nice example of an historic key.
Please review the photographs and consider them an integral part of the description.
I'm one of ebay's best known, most highly regarded sellers of technical collectibles and technical antiques. I've been selling and shipping them for more than 25 years. When you purchase an item from me, you can rest assured that your purchase will arrive safely because it's been carefully packed (by me, not by some well-intentioned but nonetheless confounded, doe-eyed teenager working at the UPS store who wouldn't know a sextant from a steamship), Sure, you can probably get a lower price from Joe and Janet Barn-Find, but when your "bargain" arrives broken, and without any hint of how you might be able to put it back together, you'll realize that you really do get exactly what you pay for.