Subject: Tilden, W A Chemical Discovery and Invention in the 20th Century. Revised Edition, 1936.
Description: Tilden, W A Chemical Discovery and Invention in the 20th Century. Revised Edition, 1936. Photocopy of Chapter XXVI, 23pp. Chapter XXVI on Explosives makes reference to Royal Gunpowder Factory Waltham Abbey. Image on page 397 (Fig 122 Displacement Process Waltham Abbey) is in WAI-0643.