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300- foot tape measure, 1928

1928

Circular aneroid barometer.

1876

Micro-spectroscope with bright point micrometer with adapter tube by John Browning

1885-1888

Single shooting lens with hat attachment

1825-1875

Steel rimmed tinted spectacles

1800-1850

Pivot folding spectacles

Pair of steel wire framed protective goggles

1838-1850

Bifocal spectacles frames

1840-1860

Steel rimmed spectacles

1800-1870

Vertical Steam Engine, 1891

1891
Facsimile of Colt Navy revolver, serial no. 7581, barrel length 218 mm / 8.6 in and calibre 9 mm / 0.4 in

Facsimile of Colt Navy Revolver

Working model of a steam engine fitted with Corliss Valve Gear, 1899 with electric motor, in glazed case, scale 1:12.

Horizontal Steam Engine with Corliss Valve Gear, 1899

1899
Stage tweezers, for use with Cuff microscope, by Dollond, London, 1750-1800.

Stage Tweezers for Cuff Microscope, Dollond, London

1751-1800