Compass

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Ingenium, 1995.1445.001
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OBJECT TYPE: ASTRO
DATE: 1970
ARTIFACT NUMBER: 1995.1445.001

MANUFACTURER: Boes, W.W. Co.
MODEL: AN5738.1
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: COMPASS - METAL; SYNTHETIC; GLASS/ CASE: SYNTHETIC WITH METAL HARDWARE AND CLOTH STRAP

Dimensions

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

Length: 24.5 cm
Width: 12.5 cm
Height: 14.2 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Astronomy
Category: Observation equipment
Sub-Category: N/A

Manufacturer

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

Context

Country: North America
State/Province: Unknown
Period: PROBABLY USED IN THE 1970S
Canada: ONE OF SEVERAL COMPASSES GIVEN TO DONOR'S FATHERBY RAY MONROE (NOW DECEASED) A CDN BALLOONIST IN PAYMENT FOR SOME DEBTS.MONROE HAD ATTEMPTED TO SET ALTITUDE RECORDS. MONROE DESIGNED A LAMP TO BE MADE FROM THE COMPASSES & DONOR'S FATHER HAD COMPLETED SEVERAL. PROBABLY BOUGHT FROM CROWN ASSETS.
Function: USED BY A NAVIGATOR TO DETERMINE THE COURSE HEADING OF AN AIRCRAFT BY REFERENCE TO THE STARS. SIGHTINGS OF BRIGHT STARS WOULD HAVE BEEN USED ALONG WITH ASTRONOMICAL TABLES TO DETERMINE THE BEARING OF AN AIRCRAFT.
Technical: AN ADAPTATION OF SURVEY AND NAVIGATION DEVICES TO USE ON AIRCRAFT. PRECISION WAS RELATIVLEY LOW AND THIS WAS PROBABLY USED AS A BACKUP IN CASE OF INSTRUMENT/RADIO FAILURE.THE SIGHTING DEVICE OR ALIDADE IS INTERESTING VARIATION ON THE SIGHTS FOUND ON PRISMATIC COMPASSES & OTHER SIMPLE SURVEY APPARATUS.
Area Notes: Unknown

Details

Markings: COMPASS: MFG'S PLATE: 'COMPASS ASTRO/ AN5738-1/ MFR'S OART BI, XCD-94/ CONTRACT NO. W535 AC-36491/ The W.W. Boes Co. [IN CURSIVE]'/ PRINTING ON BODY INCLUDES: 'ALL BEARINGS WHITE/ N.LAT.WHITE/ S.LAT.RED''LEVEL/ SET LAT./ SET L.H.A. BODY/ ALIGN ON BODY/ READ TRUE HEADING'/ VARIOUS SCALES/ STAMPED UNDERNEATH: 'AN/ W228''THE'WWB/ CO/ 7'/ CASE: PRINTING ON TOP SAME AS MFG'S PLATE ABOVE
Missing: APPEARS COMPLETE From CA of 12/06/2001 by Matthew Bruce: No - appears complete
Finish: COMPASS: FLAT BLACK ENAMEL WITH RED OR WHITE PRINTING; CASE: GLOSS BLACK ENAMEL WITH ORANGE PRINTING; KHAKI STRAP
Decoration: N/A

CITE THIS OBJECT

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

Boes, W.W. Co., Compass, circa 1970, Artifact no. 1995.1445, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1995.1445.001/

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