00887cam a2200289 4500 290829 BD-DhUL 20170423154621.0 690418s1969 nyua j 000 0 eng d 69011828 DLC DLC DLC BD-DhUL lcac TJ147 .W43 629.25 WEM Weiss, Harvey. Motors and engines and how they work / New York : Crowell, 1969. 62 p. : illus. (part col.) , 24 cm. 4.50 Describes various kinds of modern engines, their sources of energy, and how to make a model of each. Power (Mechanics) Juvenile literature. Engines Juvenile literature. Engines. Power (Mechanics) 7 cbc orignew u ncip 19 y-gencatlg ddc BK 191307 191307 0 0 ddc 0 629_250000000000000_WEM 0 NFIC 327837 DUL DUL GEN 1992-10-18 Gift 629.25 WEM A94371 2017-04-23 2017-04-23 BK