Ecliptoglass eclipse viewer

Made:
1926-1927 in Unknown place
maker:
Unknown
supplier:
Croisdale

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

One of three 'Ecliptoglass' eclipse viewers used by Frederick Irving and his parents from Yorkshire, to view the total solar eclipse visible over England and Wales on June 29th 1927. The filter is thought to be made from photographic film exposed to daylight and developed to produce a silver film. Supplier's name Croisdale, 36 Briggate, Leeds stamped on viewer & envelope.

Details

Category:
Astronomy
Object Number:
1999-1011
Materials:
card, complete, paper and plastic
Measurements:
overall (viewer): 2 mm x 120 mm x 60 mm, 0.006 kg
overall (envelope): 3 mm x 140 mm x 80 mm, 0.002 kg
type:
eclipse viewer
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • optical filter
  • solar filter
credit:
Michael J Clark