Subject: Cheshunt & Waltham Weekly Telegraph - Newspaper Article "Scientists may beat sky pirates" re ERDE development of an instrument that can detect nitroglycerine. Photo b/w of G S Welby and Dr R J J Simkins with instrument. /2 Also newspaper article re development of a combustible cartridge case.
Description: Cheshunt & Waltham Weekly Telegraph - Newspaper Article "Scientists may beat sky pirates" re ERDE development of an instrument that can detect nitroglycerine. Photo b/w of G S Welby and Dr R J J Simkins with instrument. /2 Also newspaper article re development of a combustible cartridge case.
