23rd July 1937, Page 62
	
	23rd July 1937
			Page 62
 
		
					Page 62, 23rd July 1937
									
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			Shaft-operated Servo Brake
A Resume of Patent Specifications That Have Recently Been Published A SERVO braking system in which power is derived from the rotation of the propeller shaft is the subject of......
 
					 
							 
							 
							 
							




























































































