"Binoscope" spectacles with adjustable focus and s

Made:
1945-1955 in Hong Kong

"Binoscope" spectacles with adjustable focus and sunglass lenses, design registered no. 898 081 in original box, Salco, Hong Kong, c.1950

Details

Category:
Optics
Object Number:
1979-817
Materials:
cardboard and plastic (unidentified)
Measurements:
box: 36 mm x 150 mm x 45 mm,
spectacles: 37 mm x 149 mm x 45 mm,
type:
sun-glasses
taxonomy:
  • furnishing and equipment
  • costume
  • protective spectacles
credit:
Smart, J.