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Rare antique Millivoltmeter, likely used in the Terminal Towers in lower Manhattan circa 1908. Made in Germany by Charles Engelhard for Temperature Measurements in Hudson Terminal Buildings New York City. Untested, Sold as is. Dimensions 7" x 7" x 3". Weight 5 lbs. Please message with any questions or requests for more pictures.
| Category | Vintage & collectibles > Electronics |
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