Accession No

1551

Brief Description

polariscope, unsigned, 1875–1950

Origin

Maker

Class

optical

Earliest Date

1875

Latest Date

1900

Inscription Date

Material

metal (brass, white metal); glass; stone (tourmaline and one other)

Dimensions

length 133mm; breadth 27mm; thickness 20mm

Special Collection

Provenance

Donated by Beck Ltd. in 1972.

Inscription

Description Notes

Two tourmaline polarising elements in brass mounts attached to white metal handle which opens up the gap between the mounts when it is squeezed and springs back to hold sample in place. Sample crystal (poor condition).

Condition good; complete.

References

Events