National Bureau of Standards SP-376 Pocket Rule

Object Details

National Bureau of Standards

Description: This white plastic promotional rule has a scale of centimeters along the top edge, divided to millimeters and numbered by ones from 1 to 15, and a scale of inches along the bottom edge, divided to 1/16" and numbered by ones from 1 to 6. The center of the rule is marked: For Good Measure from the National Bureau of Standards (/) Washington, D. C. 20234.; The back of the rule has a table comparing metric and customary units of length, volume, and weight. A second table explains the prefixes used in the metric system and gives conversions to yards, quarts, and pounds. The back is marked: U.S. DEPARTMENT OF COMMERCE (/) National Bureau of Standards (/) Washington, D. C. 20234 (/) NBS Special Publication 376 (/) Issued December 1972 (/) For sale by the Superintendent of (/) Documents, U.S. Government Printing (/) Office, Washington, D.C. 20402 (/) (Order by SD Catalog No. C13.10:376). (/) Price 25 cents.; In order to encourage Americans to adopt the metric system, NBS (now the National Institute of Standards and Technology) distributed this rule in the 1970s both individually and as part of a "metric kit," NBS Special Publication 410, which also included four informational pamphlets and a conversion card.
Location: Currently not on view

1972

Physical Description: plastic (overall material)
Measurements: overall: .1 cm x 16.2 cm x 3 cm; 1/32 in x 6 3/8 in x 1 3/16 in

See more items in: Medicine and Science: Mathematics; Metric System; Science & Mathematics; Scale Rules; Measuring & Mapping

National Museum of American History

GUID (Link to Original Record): https://n2t.net/ark:/65665/ng49ca746a7-338b-704b-e053-15f76fa0b4fa