Collection

Projection screw thread measuring apparatus of 1917

Made:
1917 in Broughton
maker:
George Cussons Limited

Projection screw thread measuring apparatus of 1917

Details

Category:
Industrial Metrology
Object Number:
1968-432
Materials:
steel & glass
Measurements:
24.0157 x 22.4409 x 26.378 in.; 61 x 57 x 67 cm
type:
profile measuring projector
credit:
National Physical Laboratory.

Parts

Mirror support bracket for the projection screw thread measuring apparatus.

Mirror support bracket for the projection screw thread measuring apparatus.

Mirror support bracket for the projection screw thread measuring apparatus.

Measurements:
overall: 3.937 x 7.874 x 11.811 in.; 10 x 20 x 30 cm
Materials:
steel
Object Number:
1968-432 Pt1
type:
profile measuring projector- bracket
Image ©
The Board of Trustees of the Science Museum
Support brackets for the mast of the projection screw thread measuring apparatus

Support brackets for the mast of the projection screw thread measuring apparatus

Two wall support brackets for supporting the mast of the projection screw thread measuring apparatus.

Materials:
steel
Object Number:
1968-432 Pt2
type:
profile measuring projector- bracket
Image ©
The Board of Trustees of the Science Museum
Mirror for the projection screw thread measuring apparatus

Mirror for the projection screw thread measuring apparatus

A mirror for the projection screw thread measuring apparatus.

Measurements:
overall: 8 1/2 x 6 1/2 x 1/2 in.; 21.59 x 16.51 x 1.27 cm
Materials:
steel (metal)
Object Number:
1968-432 Pt3
type:
profile measuring projector- bracket
Image ©
The Board of Trustees of the Science Museum

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