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French 75mm Mle 1897: Hydro-Pneumatic Recoil Breakthrough and Ballistics
Revolutionary recoil system: Hydro-pneumatic design separated hydraulic fluid and compressed air with a silver alloy ring on a floating piston,...

Created by Devon Westcott
Detailed specs, engineering, and ballistics of World War I artillery with cross‑national comparisons
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Revolutionary recoil system: Hydro-pneumatic design separated hydraulic fluid and compressed air with a silver alloy ring on a floating piston,...
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