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Slide rule

Slide rule
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Titles: Slide rule (Supplied title)

Description: Cylindrical slide rule (A) in a mahogany box with a hinged lid (B). Designed by engineer Edwin Thacher (1839-1920) and patented in 1881. Manufactured by Keuffel & Esser Company; used by the Northern Pacific Railway.

Dates

  • Not earlier than 1881 (Thacher patented this model of slide rule in 1881.) (Creation)

Creation

Identifiers

  • Accession Number: 9800.28.A,B

Holding Type: 3D Objects

Quantity: 1 item

Format

  • Content Category: artifacts

Measurements

  • 6 inches height (9800.28.A, slide rule)
  • 21 inches width (9800.28.A, slide rule)
  • 5 inches depth (9800.28.A, slide rule)
  • 6 1/2 inches height (9800.28.B, box)
  • 24 inches width (9800.28.B, box)
  • 6 3/4 inches depth (9800.28.B, box)

Subjects

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Slide rule
Slide rule