Subject: Oertlings Cordite Balance. Photocopy from Oertlings photograph of balance similar to that used at Royal Gunpowder Factory. Explanatory letter (dated 1 March 1978) from Miss P Buchanan of Imperial College of Science and Technology. Colour photograph of Oertlings Cordite Balance and Non-sparking Safety Implements. (See WASC 323)
Description: Oertlings Cordite Balance. Photocopy from Oertlings photograph of balance similar to that used at Royal Gunpowder Factory. Explanatory letter (dated 1 March 1978) from Miss P Buchanan of Imperial College of Science and Technology. Colour photograph of Oertlings Cordite Balance and Non-sparking Safety Implements. (See WASC 323)
