Subject: Tilden, W A Chemical Discovery and Invention in the 20th Century. Chapter on Explosives makes reference to Royal Gunpowder Factory Waltham Abbey. Image on page 397 Fig 122 Displacement Process Waltham Abbey
Description: Tilden, W A Chemical Discovery and Invention in the 20th Century. Chapter on Explosives makes reference to Royal Gunpowder Factory Waltham Abbey. Image on page 397 Fig 122 Displacement Process Waltham Abbey
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