Tecnostyl 506 Open Triangle
date: label: date made
content: 1950s
name: label: maker
content: Tecnostyl
notes: label: Description
content: This 11-1/2" transparent plastic 30°-60°-90° triangle has a triangular cutout in its interior. The long leg has a 28 cm scale divided to millimeters and numbered by ones from 0 to 28. The hypotenuse is marked with the Tecnostyl trademark (the letters T and S inside a circle) and the words: Tecnostyl (/) 506. On the back is scratched: I MOLELLA.
label: Description
content: Tecnostyl was established in Segrate, Italy, in 1948 to sell slide rules and drafting tools. It continues to manufacture drafting tables and drawing instruments. The owner of this triangle, Isaac Giancinto Molella (1908–1982), was in the Cornell University class of 1932. The dating of other objects he donated to the Smithsonian suggests he purchased this instrument around the same time as those objects, in the 1950s, when he worked as an electrical engineer for General Electric. He was based at Electronics Park in Syracuse, N.Y., in 1953 and at radar sites in North Africa and Europe between 1954 and 1957, as a technical representative for the U.S. Air Force.
label: Description
content: References: "Tecnostyl: Azienda," http://www.tecnostyl.it/static-28-azienda-tecnostyl-prodotti-per-ufficio.html; accession file.
label: Location
content: Currently not on view
place: label: place made
content: Italy: Lombardy, Segrate
topic: label: Subject
content: Mathematics
label: Subject
content: Drafting, Engineering
label: Subject
content: Drawing Instruments
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Squares and Triangles
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content: Science & Mathematics
creditLine: label: Credit Line
content: In Memory of Isaac Giacinto Molella
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1992.0433.05
label: catalog number
content: 1992.0433.05
label: accession number
content: 1992.0433
objectType: label: Object Name
content: triangle
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 29.4 cm x 17.5 cm x .2 cm; 11 9/16 in x 6 7/8 in x 3/32 in