General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

GLASS RULE & EYEPIECES; METAL RAIL & RAIL FITTINGS, AND SCREW MOUNTINGS FOR MAGNIFIERS. WOODEN CASE COVERED WITH LEATHERETTE, AND LINED WITH BLACK VELVET.

Dimensions

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

Length

43.6 cm

Width

6.5 cm

Height

4.9 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

Hilger Watts

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Ontario

Period

THIS RULE PROBABLY USED C.1940S-1980S, AND POSSIBLY LONGER

Canada

Unknown

Function

USED TO MEASURE LENGTH, OR THE DISTANCE BETWEEN TWO POINTS

Technical

EXAMPLE OF 320 MM RULE ON GLASS, FITTED WITH TWO SIMPLE MAGNIFIERS ON SLIDING RAIL

Area Notes

Unknown

Details

Markings

SCALE DIVIDED 0-320 BY 1-MM INCREMENTS/ 'HILGER & WATTS LTD./ LONDON' STAMPED IN GOLD ON BOX TOP

Missing

NONE EVIDENT

Finish

GLASS HAS PALE GREEN TINT; BLACK MAGNIFYER FITTINGS; 1 RED-BROWN & 1 BLACK KNOB, FOR LIFTING/ CASE HAS FLAT BLACK PEBBLE-TEXTURED LEATHERETTE COVERING ON EXTERIOR; BLACKVELVET LINING.

Decoration

N/A