Johnson, Lawrence <br/><br/>
Tool and machine / 
written and illustrated by Lawrence Johnson 
 - London :  Oliver and boyd,  1963 
 - 64 p. :  ill., diagrams. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine-shop practice<br/>Machine-tools--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>621