General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOOD; "FRENCH IVORY"; GLASS AND METAL

Dimensions

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

Length

30.0 cm

Width

4.0 cm

Height

1.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Marine Transportation

Category

Naval architecture

Sub-Category

N/A

Manufacturer

AKA

Faber

Country

Federal Republic of Germany

State/Province

Unknown

City

Unknown

Context

Country

Worldwide

State/Province

Unknown

Period

THIS ONE USED SINCE THE 1930S. GENERALLY USED UP TO THE 1970S WHEN ELECTRONIC CALCULATORS BECAME COMMON.

Canada

EXAMPLE OF BASIC EQUIPMENT USED BY MR. JAMES WATSON IN HIS CAREER AT VARIOUS CANADIAN SHIPYARDS AND IN THE FEDERAL GOVT.

Function

USED FOR QUICK NUMERICAL COMPUTATIONS SUCH AS MULTIPLICATION AND DIVISION, EXTRACTING ROOTS ETC.

Technical

THE ELECTRONIC CALCULATOR HAS NOW ALMOST COMPLETELY SUPPLANTED THE SLIDE RULE BECAUSE OF ITS GREATER EASE OF USE AND WIDER VARIETY OF FUNCTIONS. [REF 1]

Area Notes

Unknown

Details

Markings

PRINTED IN MIDDLE BELOWADJUSTABLE ARM: '1/61/361 [DRAWING OF SUSPENDED SCALE] A.W. FABER "CASTELL"'/ INCH SCALE [1 TO 10] ON ONE SIDE AND CENTIMETRE SCALE [1 TO 29] ON OTHER SIDE/ 4 SCALES MARKED ON TOP/ ON BOTTOM VARIOUS EQUIVALENT MEASUREMENTS INDICATED [FAIRLY ILLEGIBLE]/ SCRATCHED IN BOTTOM: 'J.C. WATSON/ 4-4-36'

Missing

N/A

Finish

STAINED AND VARNISHED WOOD; WHITISH FRENCH IVORY WITH BLACK MARKINGS

Decoration

N/A