Watkins Standard - Rare Actinometer (exposure meter) - by R. Field & Co. 1890-1895, Light meter
US$749.00
Only one available — a single, individual piece.
Ships by Saturday 28 November from the EU.
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The Watkins Standard actinometer (exposure meter), made by R. Field & Co. in England around 1890–1895, is in very good physical condition and has not been tested.
| Brand | Watkins |
|---|---|
| Era | 1400-1900 |
| Physical Condition | Very good |
| Functional Condition | Not tested |
