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A Short and Mason brass Service Pattern Clinometer. This is a 1920's...
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A precision level is a measuring instrument, used together with...
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This is a brass clinometer dated to 1906. It is an optical device...
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The clinometer is an optical device for measuring elevation angles...
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A Surveyor Cross Head, English, Late 19th century. Black finish...
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A dumpy level is used together with a measuring staff, to measure...
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CA Surveyor Gravity Clinometer level made in England by Palmer....
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A rare and unique boxwood Sandhurst protractor made by Stanley...
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This solid brass Abney Level was made by Stanley in London, circa...