Straight edge

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Ingenium, 1987.2588.001
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OBJECT TYPE: 15 IN.
DATE: Unknown
ARTIFACT NUMBER: 1987.2588.001

MANUFACTURER: Keuffel & Esser Co.
MODEL: LEROY 3239S
LOCATION: 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 STRAIGHT EDGE; PAPER ENVELOPE

Dimensions

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

Length: 37.5 cm
Width: 3.5 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Mathematics
Category: Drawing & measuring instruments
Sub-Category: N/A

Manufacturer

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

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: TYPE SAMPLE
Function: USED TO OBTAIN OR CHECK STRAIGHT LINES WITH A SPECIFIC LINE SPACING
Technical: CLEAR PLASTIC MAKES IT EASIER TO DETERMINE POSITION OF LINES
Area Notes: Unknown

Details

Markings: STRAIGHT EDGE: STAMPED IN BACK: 'KEUFFEL & ESSER CO./ PAT. PEND./ LEROY/ 3239S/ SLANT [2 TIMES]' / SCALES: '80 100 120 140 175 200 240 290 350 425 500' '00/80 00/100 0/120 1/140 2/175 3/200 4/290 4/350 5/425 6/500 PEN'/ PRINTED ON LABEL ON ENVELOPE: 'LEROY LINE-SPACING STRAIGHTEDGE/ REG. U.S. PAT. OFF./ K & E CO./ 1 ONLY 3239S 15 IN./ MADE IN U.S.A. REG. U.S. PAT. OFF.'
Missing: N/A
Finish: CLEAR WITH BLACK PRINTING/ ENVELOPE: BEIGE WITH WHITE LABEL TRIMMED IN RED WITH BLACK PRINTING
Decoration: N/A

CITE THIS OBJECT

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

Keuffel & Esser Co., Straight edge, Unknown Date, Artifact no. 1987.2588, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1987.2588.001/

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