Hand speculum grinding/polishing machine constructed and use

Hand speculum grinding/polishing machine constructed and used by Sir W. Herschel for polishing specula of 6-inch aperture.

Collection
Science Museum
Inventory Number
3019356
Title
Hand speculum grinding/polishing machine constructed and use
Object Type
PhysicalObject
Measurements
- overall: 150 x 780 x 310 mm

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