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Title:CS FOR POSSIBLE USE AS SHARK REPELLENT (PORTLAND HARBOUR) [Allocated Title]
Film Number:DED 66
Other titles:PORTON DOWN TRIALS NON-NITRATE COLLECTION [Allocated Series Title]
Summary: Test footage taken in Portland harbour for the possible use of CS gas as a shark repellent.
Description: 0-41 A. Divers on deck and descending into sea: personnel involved in trial on deck of trials vessel. (Mute colour print.)
41-91 B. CS canisters released under water by diver photographed underwater by second diver. (Mute B&W negative, matches with Roll F.)
91-155 C. CS filled canister functioning just below water surface. HMS Porton. Photographed from surface. (Mute colour print.)
155-255 D. Underwater functioning of CS canister at HMS Porton similar to (C): Method of submersing shown. (Mute colour print.)
255-295 E. [Not held by IWM.] Chequered board photographed from surface board at various depths under water (optical obscured test).
295-336 F. Canister operation under water (submarine camera). (Mute B&W print, matches with Roll B.)
Technical Details: Format: 16mm
Number of items/reels/tapes: 5
Footage: 300 ft (ca)
Notes: Technical Condition: Good
Technical (IWM): rolls are in their original boxes. See individual summaries above for details of the various rolls. Roll E is not held by IWM.
DED 66/1 is made up of reels A, C and D. DED 66/2 is made up of reels B and F.