Explosives in history
Subtitle: the story of black powder.
Series: Rand McNally classroom library
Publisher: Rand McNally
Published: 1966
Place of publication: Chicago
Language: eng
Number of pages: 63
Subjects: Gunpowder -- History.
Description: How to design, build, observe, record, and evaluate a scientific experiment which demonstrates a principle, generalization, or law and solves a problem.