Subject: Roy Fisher, BBC Radio 4, New Worlds, 17-11-1967, Interview tape recording (on 3" reel) about the "ERDEfender" ear defender, noise protection headphones with peak limited sound transmission. Digital audio of this recording is available in WAOH-16 collection (Waltham Abbey Oral History).
Description: Roy Fisher, BBC Radio 4, New Worlds, 17-11-1967, Interview tape recording (on 3" reel) about the "ERDEfender" ear defender, noise protection headphones with peak limited sound transmission. Digital audio of this recording is available in WAOH-16 collection (Waltham Abbey Oral History).
