Protractor & rule, parallel

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OBJECT TYPE: combined
DATE: Unknown
ARTIFACT NUMBER: 2000.0315.001

MANUFACTURER: London Name Plate Mfg. Co.
MODEL: Douglas
LOCATION: England

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: Rigid clear synthetic chart bears black text and other markings.

Dimensions

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

Length: 12.2 cm
Width: 12.2 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: London Name
Country: England
State/Province: Unknown
City: Unknown

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: Used to calculate, record or read position on maps, charts, etc.
Technical: Unknown
Area Notes: Unknown

Details

Markings: " "DOUGLAS" COMBINED PROTRACTOR AND PARALLEL RULE/ REG'D No. 626265 SOLE MAKERS THE LONDON NAME PLATE MANFG. CO. LTD." and "DISTRIBUTORS FOR CANADA -- OTTAWA TYPEWRITER CO. LTD." printed on opposing edges of same face of instrument. Scales 0-350 and and 350-0 printed on perimeter of instrument, in segments of 50, and labelled at intervals of 10. [NB: scales run in opposite directions, one above the other.] Internal divisions of grid labelled at intervals of 10; pierced hole present in centre of cross formed by centre lines.
Missing: None evident.
Finish: Rigid clear synthetic chart bears black text and other markings.
Decoration: N/A

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

London Name Plate Mfg. Co., Protractor & rule, parallel, Unknown Date, Artifact no. 2000.0315, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2000.0315.001/

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