Subject: Gunpowder. Extract from report on Gunpowder - Relative to its manufacture- experiments on Marlboro' Downs. 1. Including 1. Table of results of gunpowder performance trials at Marlborough Downs 1809/10.
Description: Gunpowder. Extract from report on Gunpowder - Relative to its manufacture- experiments on Marlboro' Downs. 1. Including 1. Table of results of gunpowder performance trials at Marlborough Downs 1809/10.
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