Dipleidoscope with mechanical clock dial, British 1870-1890

Dent's dipleidoscope, with clock gearing Dent's dipleidoscope, with clock gearing

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Dent's dipleidoscope, with clock gearing
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Dent's dipleidoscope, with clock gearing
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Dent's dipleidoscope on triangular stand, with mechanical clock dial (clock glass missing), by E. Dent & Co., London, England, 1870-1890. Used for the determination of midday to check the accuracy of mechanical timepieces

Details

Category:
Time Measurement
Object Number:
1917-98
Materials:
brass (copper, zinc alloy) and glass
Measurements:
overall: 130 mm x 150 mm x 140 mm,
type:
dipleidoscope
credit:
Thomas H. Court