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Halberg Trial Clip and a Mallett Near Distance cell
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial clip; trial lens
Keeler; Theodore Hamblin Ltd
Europe: United Kingdom, England, Berkshire, Windsor
1980s
plastic; metal
box: 36 mm x 110 mm x 76 mm
2024.19
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial clip; trial lens
Keeler; Theodore Hamblin Ltd
Europe: United Kingdom, England, Berkshire, Windsor
1980s
plastic; metal
box: 36 mm x 110 mm x 76 mm
One (from an original pair) single trial clip for attachment to a spectacle frame. Black plastic triple drop cell with marked scale in white. Padded spring clip to reverse. Contained within black plastic box with purple velvet lining and transparent plastic hinged lid. Also a Mallett near distance filter in a round black plastic rim with short handle.
2024.19
Gift of Mr Brian Ariel FCOptom, 2023