The universal encyclopedia of machines  or how things work 
C. Van Amerongen : the theory and practice of modern machines and methods translated and adapted from the revised German ed. by c. Van Amerongen 
 - London  Allen & Unwin  1967 
 - 590 p. illus. (some col.) 22 cm. 590 p. : ill. ; 21 cm. 
<br/><br/> Translation and adaptation of Wie funktioniert das?  Simultaneously published in New York as v. 1 of the author's The way things work. 
<br/><br/><br/>engger 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Popular works