1926 Imperial Japanese Army Chemical Weapons Research Blueprint Chart
This is an original 1926 (Taisho 15) Imperial Japanese Army document. “Chemical Weapons Peacetime Application Classification Chart”. Army Scientific Research Institute (Rikugun Kagaku Kenkyusho). This large-format blueprint (cyanotype) chart systematically categorizes. Chemical weapons research, including. Organic and inorganic compounds. Industrial and peacetime applications. Production and material structure systems. Rather than being a weapon manual. This is a structured research classification chart. Showing how the Japanese Army organized its military chemical research. During the Taisho period. It represents early pre-WWII military chemistry research. Making it an important primary historical document. Printed using traditional blueprint (cyanotype) method. Large folding single sheet. Age toning and stains. Small holes visible (see photos). Overall preserved in collectible condition. This is a historical research document. International Buyers – Please Note. Thank you for your understanding.