Double limit external caliper for 1.5"diam 24 t.p.i. thread.

Made:
1892 in Leicester

Double limit external caliper for 1.5"diam 24 t.p.i. thread.

Details

Category:
Industrial Metrology
Object Number:
1893-252 Pt1
Materials:
brass (copper, zinc alloy) and steel (metal)
type:
outside callipers
credit:
Taylor,Taylor and Hobson