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Astro-clinometer with adjustable tube and glass plate

Astro-clinometer with adjustable tube and glass plate

1943-1954
Carrying case for astro-clinometer designed by Major Thompson

Carrying case for astro-clinometer designed by Major Thompson

1943-1954
Vernier callipers, 7", steel, cased, by the Brown and Sharpe Mfg Co, Providence, Rhode Island, USA, with depth gauge 6", by Chesterman, Sheffield, England, both c.1910

Vernier callipers

1905-1915
Tripod for astro-clinometer designed by Major Thompson, constructed by Brown & Sharpe Co, Providence, Rhode Island, American, 1943-1954.

Tripod for astro-clinometer designed by Major Thompson

1943-1954