General Information

Serial #

N/A

Part Number

12

Total Parts

15

AKA

N/A

Patents

N/A

General Description

BONE AND/OR IVORY SCALE.

Dimensions

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

Length

31.5 cm

Width

2.7 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Mathematics

Category

Drawing & measuring instruments

Sub-Category

N/A

Manufacturer

AKA

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

THESE ENGINEER'S SCALES PRESUMABLY USED C. 1850S-C. 1900.

Canada

MARCUS SMITH WAS BORN IN NORTHUMBRIA, ENGLAND IN 1831 AND WORKED IN THE CONSTRUCTION AND SURVEY OF EARLY BRITISHRAILWAYS. HE EMIGRATED TO CANADA IN 1849 AND WORKED ON THE GREAT WESTERN AND NIAGARA & DETROIT RIVER RAILWAY (UNTIL 1860) AND INTERCOLONIAL RAILWAY (RESTIGOUCHE NB DISTRICT) (1868-72); FROM 1872-86 SMITH WORKED FOR THE CANADIAN PACIFIC RAILWAY, AND WAS ACTING ENGINEER-IN-CHIEF DURING THE ABSENCE OF SIR SANFORD FLEMING (1876-78). HIS LAST POST WAS AS A CONSULTING ENGINEER TO THE CANADIAN GOV'T. (1886-92) MARCUS SMITH DIED IN 1901. (REF. 1)

Function

USED TO CALCULATE DIFFERENCES IN SIZE FROM ORIGINAL SCALED DRAWINGS.

Technical

COLLECTION OF ENGINEER'S SCALES (11) AND ARCHITECT'S RULES (2), STORED AND PRESUMABLY USED TOGETHER.

Area Notes

Unknown

Details

Markings

"IN" highlighted within brown circle in upper right corner of scale. Scales divided -1/2 to 20; 11 to 0; 1/8 to 92; 46 to 1/4; 5/8 to 18; 7/8 to 12; 1 1/4 to 8; and 1 3/4 to 5 on one side. On reverse, scales divided 1 ½ to 5; 3 to 3 IN; 3/8 to 28; 15 to 3/4; 2 IN 1 to 5; 2 1/4 1 to 4; 2 ½ 1 to 3; 2 3/4 1 to 3.

Missing

N/A

Finish

CREAM-COLOUR SCALES BEAR BROWN/BLACK MARKINGS.

Decoration

N/A