Baker Lyman‎ 2800MH Protractor Triangle & C-Thru Parallel Ruler Navigation Set

Vintage nautical navigation tool set including a Baker Lyman 2800MH protractor triangle and a C-Thru Ruler Co. parallel ruler. The Baker Lyman triangle, made in Denmark, features a central handle and precise degree markings for chart work. The C-Thru parallel ruler, manufactured in Bloomfield, Conn. USA, is constructed from clear acrylic with metal linkage and cork pads on the underside to prevent slipping during use. Ideal for maritime enthusiasts, sailors, or collectors of vintage drafting and navigation instruments.