Calculator, concrete
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2003.0668.001
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- OBJECT TYPE
- N/A
- DATE
- Unknown
- ARTIFACT NUMBER
- 2003.0668.001
- MANUFACTURER
- Lockhart Rule Co.
- MODEL
- Unknown
- LOCATION
- St. Louis 1, Missouri, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- plastic
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 17.2 cm
- Width
- 3.4 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Industrial Technology
- Category
- Civil engineering
- Sub-Category
- N/A
Manufacturer
- AKA
- Lockhart
- Country
- United States of America
- State/Province
- Missouri
- City
- St. Louis 1
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- W.A. Ramsay was Chief Architect, Department of Transport (D.O.T.) between 1952 & 1974.
- Canada
-
Unknown - Function
-
similar to slide rule; used for calculating quantity (in cubic yards) of poured concrete required to build wall or other structure of known dimensions - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- lettering on back reads: ""Concrete/Calculator"; lettering on sliding strip reads: "MADE IN U.S.A."; lettering inside fixed strip includes: "Mfg. by Lockhart Rule Co., 721 1/2 Chestnut St., St. Louis 1, Mo."; lettering on outside surface of fixed strip reads: "MIRON & FRÈRES LTÈE/LTD./2201 Chemin St-Michel -- MONTREAL 38/RAymond - 7 - 2811"
- Missing
- N/A
- Finish
- black numbered graduations; black & red lettering on white
- Decoration
- none
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Lockhart Rule Co., Calculator, concrete, Unknown Date, Artifact no. 2003.0668, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/2003.0668.001/
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