Object Details
maker
Sterling Plastics
Description
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.
Location
Currently not on view
Credit Line
In Memory of Isaac Giacinto Molella
date made
1950s
ID Number
1992.0433.02
accession number
1992.0433
catalog number
1992.0433.02
Object Name
t-square
Physical Description
plastic (overall material)
Measurements
overall: 33.2 cm x 15.8 cm x .6 cm; 13 1/16 in x 6 7/32 in x 1/4 in
place made
United States: New Jersey, Mountainside
See more items in
Medicine and Science: Mathematics
Squares and Triangles
Science & Mathematics
Data Source
National Museum of American History
Subject
Mathematics
Drafting, Engineering
Link to Original Record
Record ID
nmah_904453