A WHITIN NO, 120 10 in doe offset with a rule size 7.8 x 13 /16 I find no record of whitin
but it is nice looking marking and it has 120 on one end bob w.
pic one
That would be Whitin Machine Works, maker of textile machinery. A company so big they had their own town (Whitinsville,MA) and made their own wrenches for the machines they sold....
I do not, unfortunatly, have a part number catalog(s) for them...
Thanks rusty. bob w.