Instruments 

 - London :   George Newnes Limited,   1942. 
 - p. 132 
 - Aeroplane Maintenan .
<br/><br/><label>Subjects--Topical Terms: </label><br/>INSTRUMENTOS<br/>PILOTO AUTOMATICO<br/>MEDICION DE TEMPERATURA
<br/><br/><label>Universal Decimal Class. No.: </label>629.735