Parallel ruler

parallel ruler

SCRIMSHAW & ALLIED ARTS - TOOLS
marad; scrimshaw
Smith, Frederick H. (Capt.)
bone; metal
Overall: 13 3/4 x 2 5/8 x 1/4 in.

Whalebone parallel ruler for navigation made of whalebone with brass fittings. Made by Capt. F. H. Smith. Brass pieces measure 3 11/16" long x 1/2" wide.

1941.292