Description: Newton's Pool Explosion - series of 12 photos on card mount. Notation on back - 15lbs. PE No.3a. Thursday 16 February 1967. Detonated at 6 foot depth at Pool centre. Sequence of 12 shots taken in about 8 seconds with Robot loaded with FP3. All 1/250th f8. Developed 'Hyfin' 18 mins.
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