Pickett 140-ES Microline Student Duplex Slide Rule
date: label: date made
content: 1964-1975
name: label: maker
content: Pickett Industries
notes: label: Description
content: This ten-inch yellow plastic duplex linear slide rule has a clear plastic indicator. The posts holding the rule together are also yellow plastic. The front of the base has LL2, LL3, and DF scales at the top and D, LL2, and LL3 scales at the bottom. The front of the slide has CF, CIF, L, CI, and C scales. The left end of the slide is marked: PickETT (/) MICROLINE (/) 140. The right end is stamped with the Pickett logo used between 1964 and 1975.
label: Description
content: The back of the base has LL1, K, and A scales at the top and D, DI, and LL1 scales at the bottom. The back of the slide has B, S, ST, T, and C scales. The right end of the slide is also stamped with the 1964–1975 Pickett logo, featuring block letters with a triangle over the "I".
label: Description
content: The rule slides into a black imitation leather stitched sheath. Earlier Pickett rules that were also intended for use by middle and high school students include 1991.0445.02 and 1984.1068.03.
label: Location
content: Currently not on view
place: label: place made
content: United States: California, San Diego
topic: label: Subject
content: Rule, Calculating
label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
label: See more items in
content: Slide Rules
creditLine: label: Credit Line
content: Gift of Myron R. Smith
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1989.0325.07
label: accession number
content: 1989.0325
label: catalog number
content: 1989.0325.07
objectType: label: Object Name
content: slide rule
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 2 cm x 33 cm x 7.7 cm; 25/32 in x 13 in x 3 1/32 in