Watkins & Hill 1818 - 1856
- occupation:
- Mathematical instrument maker, Optical instrument maker, Optician, Philosophical instrument maker
- Nationality:
- British
active 1818-1856, optician, optical, mathematical & philosophical instrument maker, London, England
Related Objects
Metal hydrometer by Watkins and Hill (Salinometer). 9" long stem engraved Watkins & Hill London
Electromagnetic engine, about 1840
Bell in vacuo demonstration,1820-1856
Magnetic engine
Apparatus used by Wheatstone in his early researches in spectrum analysis
Batteries revolving round the poles of a magnet
Magnet rotating on its own axis
Glass prism in ball and socket joint on stand
Trade card: Watkins & Hill
