2 cylindrical bakelite(?) eye-shields perforated f

Made:
1891-1930

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group
The Board of Trustees of the Science Museum

2 cylindrical bakelite(?) eye-shields perforated for ventilation, lenses and frame missing, English(?), 1891-1930