Slide Chart, Slide Selector for Elastic Machinery Steels
date: label: date made
content: 1947
name: label: maker
content: Beals-McCarthy & Rogers
notes: label: Description
content: This slide chart advertises the properties of the ELASTUF machinery steels manufactured by Beals, McCarthy & Rogers, Incorporated, of Buffalo, New York. It consists of a paper envelope with metal rivets and a paper slide. Lining up an arrow on the slide with a type of steel listed along the top of the front reveals in a window of the envelope a general description of the properties of the steel. The other side of a chart shows the physical properties of that type of steel (its tensile strength, yield point, elongation and reduction) for different bar sizes.
label: Description
content: A mark along the bottom right of the back reads: COPYRIGHT 1947 BEALS, McCARTHY & ROGERS, INC. A mark on the slide reads: MANUFACTURED BY (/) GRAPHIC CALCULATOR CO. (/) CHICAGO 5, ILL. (/) MADE IN U.S.A.
label: Description
content: For other products of Graphic Calculator Company, see 2000.3029.02 and 2000.3029.13.
label: Description
content: Graphic Calculator Company was a slide rule and slide chart manufacturing and design company founded in Chicago in 1940 by Capron R. Gulbransen, and apparently still in business at the time of Gulbransen’s death in 1969. By 1965, the firm had moved to Barrington, Illinois.
label: Description
content: Reference:
label: Description
content: Obituaries, <I>Chicago Tribune</I>, August 11, 1969, p. A6
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Rochester
topic: label: Subject
content: Mathematics
label: Subject
content: Manufacturing
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Mathematical Charts and Tables
label: See more items in
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: 1988.3076.02
label: catalog number
content: 1988.3076.02
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: .3 cm x 23.5 cm x 9.9 cm; 1/8 in x 9 1/4 in x 3 29/32 in