[Slide Rule] Dominion Bridge Co. Ltd./Riverside Iron & Engineering Works Ltd., White Plastic, Brown Leather

Object/Artifact

-

Canadian Energy Museum

[Slide Rule] Dominion Bridge Co. Ltd./Riverside Iron & Engineering Works Ltd., White Plastic, Brown Leather - All: View of slide rule and leather case
[Slide Rule] Dominion Bridge Co. Ltd./Riverside Iron & Engineering Works Ltd., White Plastic, Brown Leather - All

View of slide rule and leather case

Name/Title

[Slide Rule] Dominion Bridge Co. Ltd./Riverside Iron & Engineering Works Ltd., White Plastic, Brown Leather

Entry/Object ID

2023.6.55

Tags

Brown, Leather, Measuring Tool, Slide Rule, Ruler, Dominion Bridge Co. Ltd., Riverside Iron & Engineering Works Ltd.

Description

A white plastic slide rule, with a leather storage case. Branded to Dominion Bridge Co. Ltd. and Riverside Iron & Engineering Works Ltd. Slide Rule: A UTO (Denmark) manufactured plastic slide rule, in white with black print, with a clear plastic cursor. The front side bears the scales and cursor. On the reverse, is printed in black the text "complements of DOMINION BRIDGE COMPANY LTD.; RIVERSIDE IRON & ENGINEERING WORKS LTD.; CALGARY, ALBERTA". To the right is a curved cut-out with a clear plastic window, above which is the black model number "No.601". Leather Cover: A brown-coloured leather case, custom made for the slide rule. The opening has no closure flap, and is stitched together. The base of the back has "DENMARK" debossed into the leather, above the stitching.

Collection

Orphan Objects Collection

Cataloged By

Danielle P. Lane

Category

Slide Rule
Rulers and Drafting Tools, Technical Stationary and Tools, Technical Equipment

Acquisition

Accession

2023.6

Acquisition Method

Found

Made/Created

Manufacturer

UTO

Date made

circa 1960

Time Period

20th Century

Place

Country

Denmark

Lexicon

Nomenclature 4.0

Nomenclature Secondary Object Term

Rule, Slide

Nomenclature Primary Object Term

Processor, Analog Data

Nomenclature Sub-Class

Data Processing Devices

Nomenclature Class

Data Processing T&E

Nomenclature Category

Category 06: Tools & Equipment for Communication

Dimensions

Dimension Description

Slide Rule

Width

32 mm

Length

150 mm

Dimension Description

Leather Case

Width

46 mm

Depth

10 mm

Length

161 mm

Material

Plastic, Leather

Color

White, Black, Brown

Condition

Reason for Exam

Accession

Overall Condition

Good

Condition Detail

Residue, Crack, Wear, Dust / Particulate Matter, Scratch, Yellowing

Date Examined

Mar 23, 2023

Examined By

Danielle P. Lane

Cleanliness

The slide rule is moderately soiled, with particulates and grime in the creases along the sides where the cursor moves. There is also grime build-up on the underside of the cursor. At the base of the leather cover's front is a large spot of unidentified white material.

Surface

The back of the slide rule covered in moderate to heavy scratches throughout. The front of the slide rule is lightly scratched horizontally. The leather cover is moderately to deeply worn in patches on both the front and back.

Materials

The clear window on the right end of the back side of the slide rule is yellowed.

Structure

The top left corners of the upper section (front of the slide rule) has a diagonal crack through it.

Created By

Danielle P. Lane

Create Date

March 8, 2023

Updated By

Danielle P. Lane

Update Date

April 28, 2023