Accession No

3116

Brief Description

diffraction grating, reflecting, Rowland-type, late 19th Century

Origin

Maker

Class

optical

Earliest Date

1875

Latest Date

1900

Inscription Date

Material

metal (speculum metal); wood

Dimensions

length 161mm; breadth 135mm; thickness 19mm box length 223mm; breadth 200mm; height 95mm

Special Collection

Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 12/1983. Transferred from Solar Physics Observatory, South Kensington to Institute of Astronomy, University of Cambridge.

Inscription

‘SOL PHYS OBS 133’ (box)

Description Notes

Diffraction grating, reflecting, Rowland-type, [U.S.A.], late 19th C.

speculum metal; rectangular plate; raised polished part circle; rectangular fitted box inscribed with ‘SOL PHYS OBS 133’.

References

Events