Hickok 752A Mutual Conductanc Tube Tester
The 752A was made for the FAA and can test dual triodes using only one setting
 
Calibrated with a new Simpson meter, Clean, and ready to use in a very nice original Case.  
 
See pictures 4 thru 7 for calibration specs and information on this 752A.
These 4 pages should tell you all you need to know about this 752A.
                                                          
Please see the calibration information in the pictures.
 
Free Insured Shipping in 48 Contiguous USA
Please contact in advance of purchase for shipping costs internationally. The cost for shipping in the USA will be deducted from the total cost of shipping when shipped internationally.