Slide Chart, Technical Data for Leaded Bronze
date: label: date made
content: ca 1935
name: label: maker
content: Sumet Corporation
notes: label: Description
content: This paper slide chart has a blue-gray envelope that includes a sliding chart printed in black on white. It served as an advertisement for the leaded bronzes produced by Sumet Corporation of Buffalo, New York.
label: Description
content: A window on the front of the envelope reveals a column of the slide that lists the commercial designation of a Sumet product, and its chemical composition (mainly copper and lead, with varying amounts of tin, and some zinc, nickel and phosphorus). Also listed for the product are such physical properties as tensile strength, elongation, Brinnell hardness, static load, and weight (in pounds per cubic inch). A window on the back shows a listing on the slide of the general applications of the same bronze.
label: Description
content: A mark on the front reads: Technical Data (/) for LEADED BRONZE. A mark on the back reads: SUMET CORP., BUFFALO, N. Y. A copyright sign precedes the company name.
label: Description
content: Bronzes with commercial designation from SM-4 through SM-18 were being produced by Sumet Corporation from at least 1931 to at least 1937. Hence the rough date of 1935 assigned to the object.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Buffalo
topic: label: Subject
content: Mathematics
label: Subject
content: Manufacturing
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Mathematical Charts and Tables
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of I. Bernard Cohen
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.3076.04
label: catalog number
content: 1988.3076.04
label: nonaccession number
content: 1988.3076
objectType: label: Object Name
content: mathematical table
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: .2 cm x 22.4 cm x 11.7 cm; 3/32 in x 8 13/16 in x 4 19/32 in