Compass

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Ingenium, 1972.0303.001
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OBJECT TYPE
SURVEYOR'S/MAGNETIC
DATE
Unknown
ARTIFACT NUMBER
1972.0303.001
MANUFACTURER
Potter, A.F.
MODEL
Unknown
LOCATION
Toronto, Ontario, Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
4
AKA
N/A
Patents
N/A
General Description
BRASS/ WOOD/ GLASS

Dimensions

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

Length
40.7 cm
Width
15.2 cm
Height
7.6 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Exploration and Survey
Category
Measurement-direction
Sub-Category
N/A

Manufacturer

AKA
Potter
Country
Canada
State/Province
Ontario
City
Toronto

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
Unknown
Technical
Unknown
Area Notes
Unknown

Details

Markings
N/A
Missing
N/A
Finish
.1 BRASS CASE, COVER & EXTENSION ARMS; GLASS COVERED WITH 8 CARDINAL DIRECTIONS; RAISED RING AROUND OUTSIDE EDGE WITH DEGREES MARKED ON IT; 'N' & 'S' ARE '0' HENCE NUMBERS ASCEND TO 90 TO THE LEFT & RIGHT OF '0'; 'E' & 'W' ARE 90 MARKS; BRASS FLANGE EXTENDS OUTWARD FOR 5" FROM 'N' & 'S' SIDES WITH HOLES IN FLANGES FOR MOUNTING ON EXTENSION ARMS; ROUND HOLE UNDER COMPASS TO MOUNT ON A SHAFT; SET SCREW WITH A TURN KNOB HEAD TO SECURE COMPASS TO THE SHAFT. TO THE SIDE BETWEEN 'W' & 'SW' IS A KNOB THAT LOCKS THE COMPASS NEEDLE INTO PLACE. ALL BUT THE NEEDLE & GLASS COVER ARE MADE OF BRASS; .2 ALL BRASS COVER TO FIT OVER COMPASS GLASS OF .1, COVER HAS A FEW DEEP SCARS & IS TARNISHED; .3 SIGHT ARM FOR COMPASS, MADE OF BRASS & 2 V-SLOTS IN IT; .4 IDENTICAL TO .3 EXCEPT UPPER SLOT IN .4 LOWER THAN SLOT IN .3 & VICE-VERSA; CONDITION: .3 & .4 ARE SCARRED & TARNISHED
Decoration
N/A

CITE THIS OBJECT

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

Potter, A.F., Compass, Unknown Date, Artifact no. 1972.0303, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1972.0303.001/

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