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Adlens Ltd; Zeito Plastic Components
DBL: 25 mm; case: 155 mm x 55 mm; eye: 49 mm; side: 135 mm
Pair of self-adjustable refractive spectacles comprising a black plastic browbar frame with suspended saddle bridge in clear plastic and two suspended pairs of overlapping lenses, movement of which is controlled by ribbed control wheels adjacent to each joint. Together with original clear plastic case with adhesive strip hinge and friction catch, bearing Japanese language labelling. Also a first edition English language product leaflet.
Gift of Professor Colin Fowler FCOptom, 2013