General Information

Serial #

14799

Part Number

1

Total Parts

6

AKA

N/A

Patents

N/A

General Description

Brass body. Glass surface on stage. Glass lenses. Wooden case.

Dimensions

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

Length

40.5 cm

Width

15.5 cm

Height

19.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Light & electromagnetic radiation

Sub-Category

N/A

Manufacturer

AKA

Beck

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Quebec

Period

c.1890

Canada

Reportedly owned by Prof. Benjamin Willer of McGill University Dept. of Math, author of 'Mathematics for the Millions'. Connection to Prof. Willer is hearsay.

Function

Used to study biological specimens in detail by magnification.

Technical

Unusual low cost base design, folds up for storage. This base also permits the body to rest at different angles, an advantage perhaps related to lighting conditions. Fairly standard optical design for a moderate sized instrument.

Area Notes

Unknown

Details

Markings

Markings on .001: Incised on plate supporting body: 'R & J BECK/ 14799/ LONDON'; Incised on fine focus knob: '0-9' with a line for each division. Markings on .002: Incised on top of objective case: '1 1/2/ R & J BECK/ LONDON'; Incised on bottom of case: '1 1/2'; Marked by hand on bottom: 'AW'; Incised on side of objective lens: '1 1/2 23 [DEGREE]/ R & J BECK'. Markings on .003: Incised on top of case: '[TWO THIRDS]/ R & J BECK/ LONDON'; Incised on bottom of case: '[TWO THIRDS]'; Marked by hand on bottom: 'W'; Incised on side of objective lens: '[TWO THIRDS] 32 [DEGREE]/ R & J BECK'. *Chart with magnification table in Supp.Info.

Missing

Small eyepiece lens, condenser mirror, stage. From CA of 11/15/2001 by Matthew Bruce: No - appears complete

Finish

Natural with some original lacquer, black paint on condenser yoke and mount, black under stage glass, anodized turret.

Decoration

N/A