Objects
Orthops Pointer (optometric near point rule / measuring scale)
OPTOMETRIC INSTRUMENTS
rule
Raphael's Ltd
Europe: United Kingdom, England, London
Early-mid 20th c.
wood; brass
overall: 700 mm x 106 mm
2024.722
OPTOMETRIC INSTRUMENTS
rule
Raphael's Ltd
Europe: United Kingdom, England, London
Early-mid 20th c.
wood; brass
overall: 700 mm x 106 mm
Long wooden rule with one rounded V-shaped end featuring a brass reinforced collar. Obverse features Age scale from 10 to 55, and a P. P. in Ds scale from 14 to 1.5. Reverse features three scales. Sliding brass target holder.
2024.722
Gift of Miss Mary Norman, 2024