Accession No

1164

Brief Description

achromatic compound microscope, Wenham binocular type, by Negretti and Zambra, English, 1870 (c)

Origin

England; London

Maker

Negretti and Zambra

Class

microscopes

Earliest Date

1870

Latest Date

1870

Inscription Date

Material

metal (brass); glass; wood

Dimensions

box depth 182mm; breadth 219mm; height 426mmm

Special Collection

Provenance

Inscription

‘NEGRETTI & ZAMBRA
LONDON’ (on boxes)
‘BODY
PRISM’ (case)

Description Notes

Achromatic compound microscope, wenham binocular type, by Negretti and Zambra, c. 1870.

Brass; claw foot; pair of uprights to a pivoting limb; square mechanical stage with clips; dove tail shoe substage screwed to limb; tail piece with swinging plano/concave mirror; knurled brass screws either side of limb for coarse focus; racked triangular column; bar limb with clamp; knurled fine focus screw; binocular body; racked draw tubes with 2 knurled screws; 4 push fit eyepieces; slot in nose piece for image splitting prism; 1 in 2 in & 1/4 in screw fit objectives; boxes ; Polariser; rotating diaphragm; analyser; brass case ; glass slide support; stage forceps; live box; brass slide; brass caps for eyepieces. Glass fronted fitted wooden box.

References

Events