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| clydonograph (a device that records a surge in electrical voltage on a sulphur-dusted photographic film) | |||
| clydonograph (a device that records a surge in electrical voltage on a sulphur-dusted photographic film) | |||
| surge voltage recorder; klydonograph; Lichtenburg figure camera; singe voltage recorder | |||
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клидонограф : 1 phrase in 1 subject |
| Automated equipment | 1 |