Squares & TrianglesT-Squares
Some of the T-squares are shaped like Ls or have calipers. The examples in the collection range from simple, crudely constructed instruments to well-made, mass-produced T-squares. The newest object was for use at the blackboard in a mathematics classroom.
"Squares & Triangles - T-Squares" showing 1 items.
- This 13" white plastic T-square is marked on the handle: STERLING – 542. It is also marked: MADE USA. The handle has a scale of 12 inches, divided to 1/16" and numbered by ones from 1 to 12, and a 30.5 centimeter scale, divided to millimeters, numbered by ones from 1 to 30, and marked: MM. A hole near the end of the handle permits hanging.
- George and Mary Staab operated Sterling Plastics in Mountainside, New Jersey, from 1938 through the late 1960s. The firm was a division of Borden Chemical Company in the 1970s and 1980s and was purchased by Sanford Corporation in 1988. See also MA*335327, 1988.0807.01, 1990.0689.01, and 1998.3104.01. Isaac Giacinto Molella, who worked as an electrical engineer for General Electric in the United States, North Africa, and Europe in the 1950s, previously owned this T-square.
- Currently not on view
- date made
- Sterling Plastics
- ID Number
- accession number
- catalog number
- Data Source
- National Museum of American History, Kenneth E. Behring Center