Double Right Angle Prism
Click on item to see a larger image

ermits stepping off angles of 90° and 180° with a center lens which permits foresight viewing. Slot in handle accommodates plumb bob cord. Features a larger field of view, and larger foresight viewing glass. Complete with leather belt loop case. Measures 3-3/4" (95mm) top to bottom.

Douglas Protractor
Click on item to see a larger image

This 5 inch square protractor is designed to help in laying a course, reading a bearing, and finding a magnetic course. Graduated every 1 degree, from 0-360, and printed with a 10ths of an inch grid.

Drip Torch
Click on item to see a larger image

This torch has a large mouth design for easier filling. The fuel trap on the spout prevents flashback into tank. A check valve in the cover provides a second level of protection against flashback. Breather valve, oilproof gaskets and sealed outlets prevent spills and fuel-slopping. Heavy-duty 15-gauge aluminum canister with welded double-bottom. Height: 25-1/2" high in the operating position; 14" high in the sealed position. Capacity: 1-1/4 U.S. gallons. Weight (empty): 5 lbs., 6 oz.