Accession No

3917 (?)

Brief Description

compound microscope, possibly achromatic, by Ernst Leitz, German, 1902

Origin

Germany; Wetzlar

Maker

Ernst Leitz

Class

microscopes

Earliest Date

1902

Latest Date

1902

Inscription Date

1902

Material

wood; metal (brass, white metal, steel, oxidised brass); cloth (velvet); glass; paper

Dimensions

height 300mm; breadth 102mm; depth 142mm; box height 341mm; breadth 176mm; depth 182mm

Special Collection

Provenance

Purchased from Christie’s, London, England, 02/04/1992.

Inscription

‘JAMES T. DOUGHERTY
SURGICAL & LABORATORY SUPPLIES
409-413, WEST 59TH STREET
NEW YORK, CITY’ (label screwed to top of case)
‘3
E.Leitz
Wetzlar’ (on one objective box)
‘6
E.Leitz
Wetzlar’ (on 1 objective box)
‘1/12
Oel Immersion
Tubusl: 170mm.
E.Leitz Wetzlar’ (on 1 of the objective boxes)
‘E. Leitz Wetzlar
No 64000
Filiale New-York’ (stand)
‘1
12
Oel Immersion
E. Leitz Wetzlar’ (oil immersion objective)
‘6
E. Leitz
Wetzlar’ (one objective)

Description Notes

Black-painted horseshoe stand, flat profile. Brass pillar topped by conical knurled screw for fine focus. Swing plano-concave substage mirror on friction-tight support; substage condenser which can swing out of the path of the light. Rectangular brass stage (clips missing). Shaped brace to limb with double knurled screws and rack and pinion focusing (rack on body). Draw tube divided [13] - 19, numbered by 1, subdivided to 0.1. Push fit eyepiece. Triple objective holder with two ordinary objectives and one oil immersion objective.
Fitted wooden box with white metal hinges and lock, brass handle and maroon velvet lining. Drawer containing blue glass filter. 1 eyepiece numbered ‘4’ and 3 brass boxes for objectives. Paper leaflet with instructions for testing the oil immersion objectives. Also original sale card indoor.

Condition good; incomplete

References

Events