Box of Dividers

Astronomy

Accession Number: 2012.ast.13 (DAA-0104)

Description:

This is a long rectangular box containing 11 metal compass dividers. These are wrapped in wax paper and contained in a cloth drawstring bag. Each divider is 18 cm long and has hinged legs ending in sharp points.

Alternative Name: Compass divider

Primary Materials:

Metal: Iron Alloy, Cardboard, Cloth, Waxed Paper

Markings:

Original label on top of box: “The GENUINE AND ORIGINAL IRWIN BITS, MADE IN U.S. of A., THE IRWIN A[…]IT COMPANY, WILMINGTON, OHIO, U.S. of A.”

On the side of the box: “62-T 17/16 1/4 Dozen
MAINBOR Auger Bits
Made in U.S.A.
The IRWIN Bit
Reg. U.S. Pat Off.”

Written in pen on the purple moving label: “dept.”

Paper label attached to original box: “24 dividers, Sept. 1947.”

On wax paper in light pencil: “13B/68.”

On cloth bag, tag with: “Royal Canadian Air Force, Technical Service Stores, Ottawa.”

On 10 of the dividers: “R.C.A.F. Ref. No. 13B/68.” Machine engraved on one of these is “152”, on another is hand engraved “R. Pease.”

On the other divider: “Charvos Inc. U.S.A.”

Dimensions (cm):

Box: Height = 5, Width = 26.5, Length = 6.5, Dividers: Height = 18 x Width = 1.5 x Length = 0.4

Function:

To measure, transfer or mark off distances – esp. on maps or star charts.

Condition:

Good: The box is not original to the dividers; the cloth bag appears to be. The box is in poor condition, with the label torn and damaged in multiple places. THe box is worn at the corners. A moving label ahs been stuck to the exterior of the box.

Associated Instruments:

Manufacturer:

Royal Canadian Air Force (10 dividers), and Charvos Inc., USA (1 divider).

Date of Manufacture: c. 1945

Provenance:

University of Toronto Department of Astronomy and Astrophysics

Historical Notes:

This object appears to have some association with the RCAF, probably during WW2.

“Divider.” Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2012. [15/10/2018]