Search our collection

Clear all filters
Image
Category
Collection
On Display
Object type
Maker
Place of origin
Date

Eye defect teaching model

1860-1900

Hand magnifier

1851-1900

Microscope lamp of curious design

1851-1900

Screwbarrel microscope in fishskin case

1750-1800

Concave lens in mounting, English, 19th century

1801-1900

Tiny linen prover

1801-1900
Electric torch, steel casing, commonly called "Bulls Eye" Lamp, by Eveready, English, 1900-1910

Electric torch, commonly called 'Bulls Eye' Lamp

1900-1910
Lens tester, metal frame with lens disc and scaled dial, English, 1880-1920

Lens tester

1880-1920
Condenser, substage, centring, flip mounting

Condenser, substage

Bull's eye condenser, English, late 19th century

Bull's eye condenser, English, late 19th century

1851-1900
Large solar microscope with opaque box, English, early 19th century

Large solar microscope with opaque box

1801-1830
Hand microscope, Dutch, late 18th or early 19th century

Hand microscope

1780-1820
Eight draw terrestrial refracting telescope by Giuseppe Campani, magnification 32x, f107, focal length 4.5m, Italian, 1671-1700

Eight draw terrestrial refracting telescope by Giuseppe Campani

1671-1700
6 1/2-inch Glass object glass prism with case for telescope, made by Adam Hilger c. 1890, and used at the South Kensington Solar Physics Observatory

6 1/2-inch Glass object glass prism with case for telescope

1890
Kinetic stereoscope, by Clement Clarke Ltd., 16 Wigmore Street, London, W1, England, with some slides, 1920-1940.

Kinetic stereoscope

1920-1940
Nuremburg boxfoot microscope marked "1S" with sun, in oval, German, 1718-1820

Nuremburg boxfoot microscope marked "1S" with sun

1781-1820
Viewer with facetted window, ivory, English, mid 19th century

Viewer with facetted window

1850-1870
Refracting telescope made in 1925 by Carl Zeiss, Jena, 60mm aperture, Asalvenlo model no. 9, serial no. 10426, objective lens no. 12665, in a fitted pine case with associated documentation plus separate tripod.

Refracting telescope with fitted case, tripod and documentation

1925
Crudely made botanic microscope with nickelled brass pillar and stage, and wooden base, American, late 19th century

Crudely made botanic microscope with nickelled brass pillar and stage

1871-1900
5 1/2 inch photo-visual refracting telescope with manual slow motion, made by T. Cooke & Sons Limited, early 20th century. The telescope is fitted on a ‘class b’ equatorial mounting. Original pedestal and clock drive are missing.

5 1/2 inch Photo-visual refracting telescope by T. Cooke & Sons Limited

1897-1921
Objective, darkground

Objective, darkground

Condenser, substage, in cannister

Condenser, substage

Objective, 4 inch, cuckoo

Objective, 4 inch

Set of trial lenses in case, by Carpenter and Westley, 24 Regent Street, London, England.

Set of trial lenses in case

Condenser, darkground, with iris diaphragm

Condenser, darkground, with iris diaphragm

Surveyor's pocket box sextant with leather case, made by John Dennett Potter, Poultry, City of London, London, England, 1855-1865. Consists of two circular lacquered brass plates with lid that acts as a handle when used. Fitted with Inlaid silver 134° scale (-5° to 160°) with 30' divisions and a silver vernier (1' div.). The index arm is rotated by a milled knob on the upper plate with two filter shades (red & green) operated by lever. The index glass is fixed with adjustment for the horizon glass. Fitted with magnifier (single lens) on hinged 40 mm swivel arm and choice of a large and a small pinhole sight but telescope missing. Marked ‘H O’ the property mark of the Hydrographic Office of the British Admiralty.

Box type pocket sextant with case.

1855-1865