Howard type Synoptophore
- maker:
- Elliott Optical Company
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Howard type Synoptophore, by Elliott Optical Company, London, c 1928. used to train patients with a squint. Type invented by Ettles about 1913, improved by Howard (patented 1927)
Details
- Category:
- Optics
- Object Number:
- 1981-362
- Materials:
- metal, brass (copper, zinc alloy), iron, glass, plastic (unidentified), wood, paint, copper (metal) and felt
- Measurements:
-
overall: 335 mm x 500 mm x 255 mm, , 6.22kg
- type:
- synoptophore
- credit:
- Delehar, P.
