| Time Period Manufactured | Pre-1930 |
|---|---|
| Country of Origin | United States |
| Maker | Weston |
Check the listing for details. 1890 WESTON Switchboard Factory AMMETER Amperage Amp Meter Panel Mount 10". Made in United States. Listed at 200.00 USD. Very good condition for it's age. Founder: Edward Weston (1850–1936), an English-born chemist and engineer. Patent Reference: Common patent dates on these units range from1888 to July 16, 1901.
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