Steel centre gauge

Made:
Sheffield

Steel centre gauge, Whitworth standard 55 degree angles. Pattern no. 878, and steel centre gauge, U.S. standard angle, 60 degrees pattern no. 879, both mounted together on a display board (see 2 stroke nos).

Details

Category:
Industrial Metrology
Object Number:
1919-255
Materials:
steel (metal)
type:
thread gauge

Parts

Steel centre gauge

Steel centre gauge

Steel centre gauge, Whitworth standard 55 degree angles. Pattern no. 878, mounted on a display board with 1919-255/2

Materials:
steel
Object Number:
1919-255/1
type:
thread gauge
Steel centre gauge

Steel centre gauge

Steel centre gauge, U.S. standard angle, 60 degrees pattern no. 879, mounted on a display board with 1919-255/1

Materials:
steel
Object Number:
1919-255/2
type:
thread gauge