Calculator, air navigation

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Ingenium, 1987.2628.001
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OBJECT TYPE: dead reckoning, Dalton
DATE: 1932
ARTIFACT NUMBER: 1987.2628.001

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: United States of America

More Information

General Information

Serial #: 989
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: predom. plastic; steel hub

Dimensions

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

Length: N/A
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: 10.5 cm
Volume: N/A

Lexicon

Group: Aviation
Category: Navigation instruments & equipment
Sub-Category: N/A

Manufacturer

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

Context

Country: United States of America
State/Province: Unknown
Period: possibly 1930's-early 1940's
Canada: Unknown
Function: to make the mathematical calculations necessary for dead reckoning aerial navigation
Technical: Unknown
Area Notes: Unknown

Details

Markings: lettering on front wheel includes: "SERIAL NO./989/ Copyright 1933/by Philip Dalton"; lettering on back of front wheel visible through transparent back wheel reads: "AMERICAN AIRLINES INC./NAVIGATIONAL COMPUTER/Pat. App. For"
Missing: N/A
Finish: predom. beige-white with black lettering & numbered graduations black & silver hub; clear wheel on back with red numbered graduations
Decoration: none

CITE THIS OBJECT

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

Unknown Manufacturer, Calculator, air navigation, after 1932, Artifact no. 1987.2628, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1987.2628.001/

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