Other titles:PORTON DOWN TRIALS NON-NITRATE COLLECTION - UNLISTED [Allocated Series Title]
Summary: Report (with commentary script in place of sound) of aerosol experiments (prior to London Underground trials), carried out at Second World War underground storage vaults for British Museum at Westwood near Trowbridge, Wiltshire between October 1950 and April 1951, records arrival of tins containing samples, venting system, technicians donning protective clothing, various sampling devices (impinger, split sampler, tray sampler) and laboratory scenes.
Description:
Alternative Title:PORTON DOWN TRIALS NON-NITRATE COLLECTION - UNLISTED [Allocated Series Title]
