Technical instruction on dynamos and motors/ 
Posts and Telegraphs (Telegraph Engineering), Govt. of India (British) 
 - Calcutta :  Supdt. Govt. Printing ,  1917 
 - Various pagings :  ill. ;  33 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power-plants--Equipment and supplies<br/>Electric machinery--Testing<br/>Electric motors
<br/><br/><label>Dewey Class. No.: </label>621.313