• 

  Science and Civilisation in China: Volume 5, Chemistry and Chemical Technology, … von Joseph Needham - englisches Buch - bücher.de

  http://www.buecher.de/shop/englische-buecher/science-and-civilisation-in-china-volume-5-chemistry-and-chemical-technology-part-7

  The Gunpowder Epic is one of three planned publications on military technology within Dr Needhams immense undertaking.

• 

  Science and Civilisation in China: Volume 5, Chemistry and Chemical Technology, … von Joseph Needham - englisches Buch - bücher.de

  http://www.buecher.de/shop/englische-buecher/science-and-civilisation-in-china-volume-5-chemistry-and-chemical-technology-part-7-military-technol/-/products_products/detail/prod_id/22719635/

  The Gunpowder Epic is one of three planned publications on military technology within Dr Needhams immense undertaking.

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