Accession No

1071

Brief Description

achromatic compound microscope; made by Hugh Powell; 1836 - 1840

Origin

24 Clarendon Street; Somers Town; England

Maker

Powell. Hugh

Class

microscopes

Earliest Date

1836

Latest Date

1840

Inscription Date

Material

metal (brass); glass; wood

Dimensions

height 478 mm; depth 210 mm; breadth 210 mm; box height 305mm; depth 210mm; breadth 240mm

Special Collection

Robert Whipple Collection

Provenance

Gift from Robert S. Whipple from 1951. Purchased from the estate of T.H. Court, 1951.

Inscription

‘H. POWELL
London’ (on one arm of tripod base)
‘H. POWELL
24, Claredon St. Somers Town.
Mathematical, Optical and Philosophical
Instrument Maker.’ (trade label)

Description Notes

Pritchard model. Brass; three legged foot to pillar; compass joint at head of pillar; triangular limb with rack into tubular limb; large knurled knob on one side of limb operates rack; mechanical stage on two upward arching braces from limb; micrometer marked ‘micrr 4/100 of an inch’; mount for condenser and aperture stop; swinging plano/concave mirror; arched arm screwed to top of limb carries body; screw fit objective; draw tube with field lens and eyepiece in screw fit brass cell with notch catch to eye shade.
Fitted wooden box with trade label; range of accessories; stage forceps and condenser; 2 alternative eyepieces with shades; spare objective and 2 brass cases; brass talc box; small lieberkuhn in small brass box; brass tweezers; non-mechanical stage; [black ground]; live box.

Condition: Good

References

Events