Safe-T 43033 Fold-n-Rule

Description
This orange plastic ruler has a 12" scale divided to 1/16" on one edge and a 30 cm scale divided to millimeters on the other edge. The rule is marked: Fold-n-RuleTM by SAFE-TTM. It is also marked: SAFE-T PLASTICTM #43033. The shatter-resistant ruler folds in half to fit in a pocket, purse, or pencil box. It was received in clear plastic packaging with a cardboard label. According to the donor, the ruler was designed for use with an overhead projector. It sold for $1.39 in 2000.
References: Safe-T/Basics by Extra Measures, Inc., about 2000; accession file.
Location
Currently not on view
date made
2000
distributor
Extra Measures, Inc.
maker
Safe-T Products, Inc.
place made
China
associated place
United States: Illinois, Bensenville
Physical Description
paper (overall material)
plastic (overall material)
Measurements
overall: .1 cm x 31.4 cm x 3.5 cm; 1/32 in x 12 3/8 in x 1 3/8 in
ID Number
2000.0160.09
accession number
2000.0160
catalog number
2000.0160.09
Credit Line
Gift of Extra Measures, Inc.
subject
Mathematics
Rule, Measuring
Education
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Scale Rules
Data Source
National Museum of American History, Kenneth E. Behring Center

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