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The Head Calliper [sic]
MANUFACTURING AND DISPENSING EQUIPMENT
thickness gauge; caliper
Martin Wells
Oceania: Australia
Late 20th c.
plastic; metal
overall: 90 mm x 185 mm
2022.5
MANUFACTURING AND DISPENSING EQUIPMENT
thickness gauge; caliper
Martin Wells
Oceania: Australia
Late 20th c.
plastic; metal
overall: 90 mm x 185 mm
Pair of head calipers for use in spectacle frame dispensing. Black plastic with scale marked in white. Range 100-170mm. Together with an instruction card within a plastic sleeve explaining the importance of temple width and contact in the mastoid area.
2022.5
Gift of Mr John Dixon Salt FCOptom, 2021