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Solar Viewer
SPECTACLES
solar eclipse viewer
Thousand Oaks Optical
North America: USA, California
2015
cardboard
overall: 76 mm x 126 mm
2015.112
SPECTACLES
solar eclipse viewer
Thousand Oaks Optical
North America: USA, California
2015
cardboard
overall: 76 mm x 126 mm
Solar eclipse viewer made for the British market. Red and black cardboard frame with single aperture rectangular viewing filter and instructive text printed on the reverse. CE marked. Optical density 5.
2015.112
Gift of Royal Museums Greenwich via Dr Richard Dunn, 2015