Accession No

1841

Brief Description

microscope objectives, by G. Smith, Smith and Beck, and Carl Zeiss, English and German, 19th century

Origin

England and Germany

Maker

Smith, G. Smith and Beck Carl Zeiss

Class

microscopes

Earliest Date

1800

Latest Date

1900

Inscription Date

Material

metal (brass, oxidised brass, copper, speculum metal); glass; wood (three types); organic (cotton wool); paper; cloth (velvet, felt)

Dimensions

bag length 206mm; breadth 126mm 1841.7 each diameter 14mm 1841.1 box length 74mm; breadth 30mm; height 27mm

Special Collection

Heywood collection

Provenance

Purchased from the Professor Harold Heywood collection under estate duty exemption benefit with the assistance of a Science Museum grant-in-aid.

Inscription

see description notes

Description Notes

Assorted microscope objectives
1841.1 six-component objective, each component numbered; in wooden case lined with purple velvet and with felt on underside; brass hinge and hook fastener.
1841.2 six-component objective.
1841.3 seven-component objective.
1841.4 six-component objective.
1841.5 [magnifying lens], numbered 814.
1841.6 two objectives with screw caps.
1841.7 two objectives.
1841.8 two-component objective in round wooden case lined with cotton wool.
1841.9 object/ive in [wooden] mount, inscribed ‘Craig’s lens Pat’d Feby 1862’.
1841.10 three-component objective and mount in brass case with screw-fit top, numbered ‘2’ on lid.
1841.11 objective with mount, in brass case with screw-fit top (which also screws to mount), signed ‘G. Smith late Smith & Beck’ on cap.
1841.12 two-part objective by Zeiss in brass case with screw-fit top. Signed on lens ‘C. ZEISS JENA’; lens also inscribed ‘12.0mm 0.18 Apert. 0.65 Tubusl. 250mm’; case lid inscribed ‘Apochromat 12.0mm Apert. 0.65’. Base of case inscribed’12.0’.
1841.13 three-part objective with adjustment collar, numbered 029, and Lieberkuhn all by Smith & Beck. In brass case with screw-fit cap inscribed ‘Smith & Beck 6 Coleman St. London’.

Condition good (case of 1841.13 fair); incomplete (1841.1 missing)

References

Events