Protractor Triangle-Deluxe - Celestaire, Inc.

Weems & Plath 104 Triangle with Handle, Kent Type – MORBAI

Helix - Swing Arm Protractor - 180 Degree Rotation

Woodpeckers Precision Triangle Set 4 and 6 Inch Anodized Aluminum PTR4

Staedtler - 6 Protractor - 360 Degree - Item #968 77-6

The Nautical Sextant - W. J. Morris, PDF

Parallel Plotter - Celestaire, Inc.

Divider and Rulers – MORBAI

The Stainless Steel Protractor is ideal for conveniently marking and transferring angles. It has a 6 inch stainless steel arm for 0-180 degree

Stainless-Steel Protractor

Helix - Swing Arm Protractor - 180 Degree Rotation

Astra IIIB Deluxe Sextant - Celestaire, Inc.

Divider and Rulers – MORBAI

Swing arm protractor rotates 180°, helps accurately draw and measure angles. Measure angles from left to right or right to left. Easy-to-read inch and

Helix Swing Arm 6 Protractor, Plastic, Assorted Colors, 10 per Box (HLX60009)

2010 Celesta Ire Catalog, PDF, Navigation

Also known as a Douglas protractor. This protractor/plotter has been around a long time in one form or another. It is best suited for rapid plotting

Sq. Protractor 5 inch

Above Ground Art Supplies