Slide rule

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Ingenium, 2003.0686.001
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OBJECT TYPE: N/A
DATE: Unknown
ARTIFACT NUMBER: 2003.0686.001

MANUFACTURER: Keuffel & Esser Co.
MODEL: 479111
LOCATION: New York, New York, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: possibly wood with plastic facing; unidentified non-ferrous metal frame on cursor and connectors at either end joining fixed strips

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 31.2 cm
Width: 4.1 cm
Height: N/A
Thickness: 1.1 cm
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Mathematics
Category: Calculating devices
Sub-Category: N/A

Manufacturer

AKA: Keuffel Esser
Country: United States of America
State/Province: New York
City: New York

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: used by architect for making complex mathematical calculations
Technical: Unknown
Area Notes: Unknown

Details

Markings: lettering on lower fixed strip reads: "KEUFFEL & ESSER CO. N.Y. PAT. 1,930,852 MADE IN U.S.A."; numbering at one end of sliding strip reads: "479111"; lettering on one edge of cursor reads: "KEUFFEL & ESSER CO. N.Y."; lettering on other edge of cursor reads: "PATENT PENDING"
Missing: N/A
Finish: red & black numbered graduations & lettering on cream background; silver cursor frame & connecting brackets
Decoration: none

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Keuffel & Esser Co., Slide rule, Unknown Date, Artifact no. 2003.0686, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/2003.0686.001/

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