Accession No

1923

Brief Description

set of four ray diagrams, by J. Wilhelm Albert, German, c. 1877

Origin

Germany; Frankfurt am Main

Maker

Albert, J. Wilhelm

Class

optical; laboratory apparatus

Earliest Date

1877

Latest Date

1877

Inscription Date

Material

wood (ebony and one other); metal (brass, white metal); glass

Dimensions

1923.2 height 220mm; breadth 120mm; diameter of base 121mm; 1923.3 height 250mm; breadth 250mm; diameter of base 140mm; 1923.1 height 225mm; breadth 240mm; diameter of base 140mm; 1923.4 height 225mm; breadth 360mm; diameter of base 140mm

Special Collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge in 1974.

Inscription

‘J. Wilh. Albert, Frankfurt a/M.’ (platform of each instrument)

Description Notes

Four ray diagrams each mounted on a turned ebony stand with circular base. The diagrams drawn on painted horizontal wooden platforms, on which a series of lenses are also mounted.

1923.1=L95; 1923.2=L96; 1923.3=L98; 1923.4=L97

1923.1 carries plano-convex lens, aperture stop, plano-convex andsecond aperture stop.
1923.3 carries plane lens, bi-convex lens, aperture stop, bi-convex lens, aperture stop, bi-convex lens and aperture stop.
1923.2 carries plano-convex lens and a bi-concave lens.
1923.4 carries aperture stop,bi-convex lens, aperture stop, bi-convex lens, aperture stop, bi-convex lens and plano-convex lens

complete

References

Events