Screw pitch measuring machine 3"x7"
Screw pitch measuring machine 3"x7". Designed by N.P.L. and made by G. Cussons Ltd in 1942. Complete with R7/8" standard thread test piece
- Measurements:
-
5.9055 x 1.1024 in.; 15 x 2.8 cm
- Materials:
- steel (metal)
- Object Number:
- 1993-1534/1
- Image ©
- The Board of Trustees of the Science Museum