Lot 53 - Negretti and Zambra Steam Gauge glass tube

Lot 53 - Negretti and Zambra Steam Gauge glass tube - Estimate 80-120 GBP

Lot 53 - Negretti and Zambra Steam Gauge glass tube

Glass Tube – tubularglass

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The Project Gutenberg eBook of A Treatise on Meteorological Instruments, by Negretti and Zambra.

Scientific, Cameras & Natural History

A Portable water-stage recorder for experimental hydrological measurements

Glass Tube – tubularglass

Antique Negretti and Zambra Pressure Gauge. England, Circa 1930

HIGH PRESSURE TUBULAR GAUGE GLASS

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Antique Negretti and Zambra Pressure Gauge. England, Circa 1930

Lot 53 - Aster Hobby live steam, gauge 1 / G scale