TORPEDOES, EXPLOSIVES, & PYROTECHNICS 1916-30. PATENTS FOR INVENTIONS. Ordnance

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TORPEDOES, EXPLOSIVES, AND PYROTECHNICS. A facsimile reprint of the original HMSO publications. Summaries of patents relating to torpedoes, explosives, and military pyrotechnics. PATENTS FOR INVENTIONS.

14.99 GBP