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Black and white photographic print, showing the emission of a beta-ray from thorium C obtained by introducing a radio-active gas into the expansion chamber
Black and white photographic print, one of a pair, on postcard, showing the emission of a beta-ray from thorium C obtained by introducing a radio-active gas into the expansion chamber, unsigned, British, 1933-1937
- Measurements:
-
overall: 3 mm x 135 mm x 85 mm, <0.01 kg
- Materials:
- paper (fibre product) and cardboard
- Object Number:
- 1937-222/1
