鮑伍 ((Bowood, Richard))

磁鐵、燈泡與電池 / by: 鮑伍 ((Bowood, Richard)); 陳國成; DowoodRichard; 朱南甫 (Language materials, printed)

槓桿. 滑輪與引擎 / by: 紐文 ((Newing, F. E.)); 鮑伍 ((Bowood, Richard)); 文費爾德 ((Wingfield, J.H.)); 朱南甫; Newing, F. E; Bowood, ichard; Wingfield, .H (Language materials, printed)