Screw pitch drunkenness testing instrument.

PART OF:
Lead screw correcting lathe and accessories by Armstrong Whitworth and Co
Made:
unknown place
Screw pitch drunkenness testing instrument.

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Screw pitch drunkenness testing instrument.
Science Museum Group
© The Board of Trustees of the Science Museum

Screw pitch drunkenness testing instrument.

Details

Category:
Industrial Metrology
Object Number:
1983-62/39
Materials:
brass & glass
Measurements:
overall: 6.6929 x 5.5118 x 9.0551 in.; 17 x 14 x 23 cm
type:
screw pitch testing instrument.