PROTRACTOR TRIANGLE WITH HANDLE
HM Order #: 136290
Weems & Plath. Protractor Triangle w/Handle. #101. Using two 45-degree triangles provide an easy method of plotting and doing other chart work. Using protractor scales, triangle is easily aligned in any direction with a chart meridian. Direction is maintained as one triangle is slid along the other to the desired position. Durable, clear Vinylite.