Accession No

1799

Brief Description

compound microscope with a box of slides, attributed to John Francois Dellebarre, Dutch, circa 1777

Origin

Netherlands [based on attributed maker]

Maker

Dellebarre, John Francois [attributed]

Class

microscopes

Earliest Date

1777

Latest Date

1777

Inscription Date

Material

glass; metal (brass); wood; cloth (felt); fishskin (shagreen); ivory

Dimensions

microscope height 440mm; breadth 220mm; depth 230mm box length 91mm; breadth 81mm; height 12mm

Special Collection

Heywood collection

Provenance

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

Inscription

Description Notes

Square pillar; pin in base to socket with clamp for 3 arched feet; sliding shoe for hinged and jointed plano/concave mirror; sliding shoe for hinged and jointed substage condenser; pillar jointed below rack; pinion (missing) on shoe for circular stage with clip below lug for stage forceps and lug with white ground; pin at head of pillar to socket with clamp on horizontal bar; hinged ring round body; threaded snout for lieberkuhn; 4 screw fit objectives; push fit collar; push fit collar with field lens in brass cell; compound eyepiece with greenish bi-convex lens and plain bi-convex lens in separate screw fitting mounts; turned screw fitting final dust cover.
Fitted wooden box lined with green felt; two lieberkuhns; spare substage condenser; clamp with knurled screw for rack; swinging mirror (not original); shagreen box with ivory specimen trays. Box of circular ivory slides with longhand note on back ‘Cabinet of Slides supplied by Dellabarre with his Microscope 1777’ with a booklet describing the slides.

References

Events