This is an antique Rubicon Company of Philadelphia specific gravity bridge instrument. It is a precision electrical measuring instrument made by the Rubicon Company - a manufacturer known for high quality potentiometers, galvanometers, and Wheatstone bridge instruments used in laboratory, industrial, and military applications from the 1920s - 1940s (later absorbed into Honeywell).
This model is a resistance-bridge type specific gravity indicator, designed to remotely read the specific gravity of a liquid via a (missing) external sensor/probe connected through the rear socket.
Specific features:
- Solid mahogany /walnut case with dovetail joinery
- Rotating dial
- Coarse zero adjuster/slide
- Dual-stage brass slide-wire rheostat on a black bakelite tray
- Galvanometer window
- Original "MADE BY RIBICON CO." brass plate
- Stamped serial number ("84787")
- Multiple black bakelite knobs
Condition:It is in very good condiition and I was told that it is in working condition - although there is no external sensor / probe
Dimensions: Height 7.75" Width 7.25" Depth 17"
Weight: 7 lbs 1 oz
SHIPPING:
Domestic U.S.A. shipping is via USPS GROUND ADVANTAGEUNLESS:
1. Other shipping is determined by Seller to be optimal
2. Or other shipping is agreed to by Buyer and Seller prior to offerding
3.Or Local Pickup inNortheastern Pennsylvania,Zip Code 18437
International shipping is via 's international shipping service.
GUARANTEED / REFUNDS:Return for any reason within 30 days. Buyer pays return shipping costs.
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