General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

EBONY & BRASS RULE.

Dimensions

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

Length

46.3 cm

Width

6.0 cm

Height

2.0 cm

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

Hearn

Country

Canada

State/Province

Quebec

City

Montreal

Context

Country

Canada

State/Province

Unknown

Period

THIS PARALLEL RULE PROBABLY USED C. 1860S-EARLY 1900S, AND POSSIBLY LATER.

Canada

MARCUS SMITH WAS BORN IN NORTHUMBRIA, ENGLAND IN 1831 AND WORKED ON THE CONSTRUCTION AND SURVEY OFEARLY BRITISH RAILWAYS. 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) RECEIVED WITH A COLLECTION OF HIS SURVEY INSTRUMENTS AND EQ., THIS PARALLEL RULE MAY HAVE BELONGED TO MARCUS OR TO HIS SON THOMAS RHYS SMITH (1857-1930).(REF. 1). RULE MFD BY CHAS. HEARN IN MONTREAL, PQ.: C. 1857-61 C. OPERATED IN TORONTO, ON. (REF.2)

Function

USED TO DRAW PARALLEL LINES.

Technical

EXAMPLE OF A LARGE ROLLING PARALLEL RULE.

Area Notes

Unknown

Details

Markings

"CHAS. HEARN. MONTREAL." stamped into roller side of rule.

Missing

NONE.

Finish

NATURAL WOOD & METAL FINISHES.

Decoration

N/A