Hi ,
Does anybody know what sort of 20mm proj. this is , found in a box of bits ,source unknown.
I'm guessing something like an Oe/HS820 proj.(20x139/20x128),as the boattail profile and iron driving band are features of these.
Also the meaning of the square symbol on the base?
cheers,
Bob
Does anybody know what sort of 20mm proj. this is , found in a box of bits ,source unknown.
I'm guessing something like an Oe/HS820 proj.(20x139/20x128),as the boattail profile and iron driving band are features of these.
Also the meaning of the square symbol on the base?
cheers,
Bob