Record

Collection	ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments
Object Name	model of the eye with spectacles
Object Number	ABDNP:200388a
Other Number	25
Other Number Type	old number
Brief Description	Model eye apparatus showing working of spectacles. Brass with glass lenses behind pupil and frosted-glass screen at back of 'eyeball'. Concave and convex lenses mounted in front of eye on an arm attached to stand. Shows the image formation on the retina (modelled by the ground glass screen). A small lever below the eyeball can make the eye long-sighted or short sighted and the application of the correct spectacle lens can be seen to bring the image on the rear screen back into focus.
Dimensions	210 mm high, base dia 80 mm
Materials	brass, glass, paint
Condition	good
Completeness	complete
Maker	signed: W & S Jones 135 Holborn London
Object Production Place	London
Object Production Date	1785-1800
Object History Note	The object was displayed in the first exhibition ('100 Curiosities') at King's Museum which opened in April 2011.
Publication Note	LEMUR database; ' Science Preserved ' (1992) Mary Holbrook

Add to My Items

Useful Links