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Weight n' See Prescription Lens Weight Simulator
MANUFACTURING AND DISPENSING EQUIPMENT
simulator
Blitz Enterprises; Specialist Optical Source Ltd
North America: USA, Florida, Fort Lauderdale
1980s
plastic
each clip: 49 mm x 25 mm x 25 mm; overall (case): 30 mm x 167 mm x 116 mm
2019.8
MANUFACTURING AND DISPENSING EQUIPMENT
simulator
Blitz Enterprises; Specialist Optical Source Ltd
North America: USA, Florida, Fort Lauderdale
1980s
plastic
each clip: 49 mm x 25 mm x 25 mm; overall (case): 30 mm x 167 mm x 116 mm
Set of clip-on weights mounted in colour-coded plastic; light, medium and dark blue for use in simulating the weight of plastic lenses and pink, medium red and dark red for use in simulating the weight of glass lenses. Twelve clips in total, intended for clipping on the upper rim of an unglazed spectacle frame, arranged within a white plastic compartmentalised case with hinged lid and paper label on outer lid. UK supplier's gold foil sticker to underside of case.
2019.8
Gift of Dr Michael Johnson FCOptom, 2019