登入選單
返回Google圖書搜尋
其他書名
A Manual of Practical Instruction in the Art of Creating Machinery for Specific Purposes,including Many Working Hints Essential to Efficiency in the Operation and Care of Machines, and Increase of Output
出版American School of Correspondence, 1907
URLhttp://books.google.com.hk/books?id=Y6yBNOlx-acC&hl=&source=gbs_api