Young-type ivory optometer in red leather-covered
Young-type ivory optometer in red leather-covered wooden case, unsigned, English, c. 1820.
- Object Number:
- brass (copper, zinc alloy), copper (alloy), glass, ivory, leather, metal (unknown), silver plated, textile and wood (unidentified)
instrument: 35 mm x 205 mm x 35 mm, ,
case: 16 mm x 217 mm x 37 mm, ,
overall weight: x x , , .075kg
- Court, Thomas Henry
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