Negretti & Zambra, London forecasting aneroid barometer ...

Negretti & Zambra, London forecasting aneroid barometer and brass lacquered calculator in a fitted case, Patent 6276 1915, with a 3.5 inch circular silvered register calibrated 28 - 31 divided into twentieths and inscribed and numbered 8796, the brass forecasting calculator 4.75" diameter; with a green velvet lined Morocco leather case, 6" square ** From the David Read Collection

Estimate:$264.36

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