Other titles:PORTON DOWN TRIALS NON-NITRATE COLLECTION - UNLISTED [Allocated Series Title]
Summary: Detailed report on Operation Harness, from preliminary trial off Portland in September 1948 to test sampling equipment, to arrival in Antigua (30/11/1948) for three-month trial to "add to knowledge of agents already tested and to try out a new agent".
Description: (Reel 1) HMS Narvik, shielded by HMS Whitesand Bay (K.633), tows stream of dinghies loaded with crates containing sheep, to await discharge of toxic agent from adapted minesweeping floats.
(Reel 2) Continuation of Operation Harness shows control boat streaming spray over sample crates containing sheep, rigorous precautions for protective clothing and conclusion, that trials on water practicable, but not in this way. Young cameraman films from HMS Whitesand Bay and crew of HMS Narvik pose.
Alternative Title:PORTON DOWN TRIALS NON-NITRATE COLLECTION - UNLISTED [Allocated Series Title]
