Protractor Triangle-Deluxe - Celestaire, Inc.

2010 Celesta Ire Catalog, PDF, Navigation

Lighted Dividers - Celestaire, Inc.

Professional Protractors made from pure clear acrylic to ensure long life and value. Graduations are etched onto the surface to prevent wearing off.

Protractor Acrylic, 180 Degree 6

Helix - Swing Arm Protractor - 180 Degree Rotation

Basic Tools - Celestaire, Inc.

2010 Celesta Ire Catalog, PDF, Navigation

The Nautical Sextant - W. J. Morris, PDF

Helix - Swing Arm Protractor - 180 Degree Rotation

Parallel Plotter - Celestaire, Inc.