Object Details
- distributor
- Extra Measures, Inc.
- Safe-T Products, Inc.
- Description
- On one side, this 12" rigid white plastic ruler has a scale of inches divided to 1/16" along one edge and a scale of inches divided to 1/10" along the other edge. The ruler is marked: SAFE-T Products™, Inc. It is also marked: 4-in-1 MATH SAFE-T RULER® 43031. It is also marked: SAFE-T PLASTIC®.
- The other side has a scale of 30 centimeters along one edge, divided to 1/2 cm, and a scale of 30 centimeters divided to millimeters along the other edge. The interior of this side has tables of metric equivalents for English units of length, area, weights, and capacity (volume). The corners of the ruler are rounded for safety.
- Safe-T Products, Inc., of La Grange, Ill., was established in 1992. In 2006 the company became a subsidiary of A. Daigger & Company and its name changed to Classroom Products Warehouse. For company history, see 2000.0160.04. Around 2000, the model number for this object was changed from 43002 to 43031. It sold for 99¢.
- References: Safe-T/Basics by Extra Measures, Inc., about 2000; accession file.
- Location
- Currently not on view
- Credit Line
- Gift of Extra Measures, Inc.
- ca 2000
- ID Number
- 2000.0160.14
- accession number
- 2000.0160
- catalog number
- 2000.0160.14
- Object Name
- rule
- scale rule
- Physical Description
- plastic (overall material)
- Measurements
- overall: .1 cm x 30.6 cm x 2.6 cm; 1/32 in x 12 1/16 in x 1 1/32 in
- place made
- United States: Illinois
- associated place
- United States: Illinois, Bensenville
- See more items in
- Medicine and Science: Mathematics
- Metric System
- Science & Mathematics
- Measuring & Mapping
- Scale Rules
- National Museum of American History
- Subject
- Mathematics
- Rule, Measuring
- Education
- Record ID
- nmah_904402
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a7-5ad5-704b-e053-15f76fa0b4fa
