This 27" aluminum and plastic T-square has scales of inches along both sides of the handle. One scale is divided to 1/8" and the other is divided to 1/16". Both scales are numbered by ones from 1 to 24. The end of the handle has a hole for hanging. The handle is marked: FAIRGATE 115–T. It is also marked: COLD SPRING, N.Y. 10516 MADE IN U.S.A.
The blue plastic crosspiece has holes in its interior. The lower edge of the crosspiece is marked with a scale of units slightly longer than one inch, divided to eighths and numbered by ones from 1 to 5 on both sides of the handle. The back of the crosspiece is marked: FAIRGATE (/) COLD SPRING NY (/) MADE IN U.S.A.
This instrument was found in the collections in 1984. The Fairgate Rule Company began manufacturing high-quality aluminum scale rules, T-squares, L-squares, templates, and curves in Cold Spring, N.Y., in 1946 and remains in business as of 2013. This particular T-square is now sold as model number 63-124 for $14.10.
Reference: Fairgate Rule Company, "Frequently Asked Questions," https://fairgate.com/Frequently-Asked-Questions_ep_42-1.html.
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.