Offering the high quality, vintage, Millen Model 90651 tank circuit 
Grid Dip meter with a full set of plug-in coils. Unit is built in a 
solid copper chassis with a rock stable 115VAC power supply:assuredly, 
the best example of quality measurement equipment. Six (6) coils in 
test tube type holder measure frequencies from 1.7kHz-150mHz. Three 
additional low frequency plug-in coils (in original Millen boxes 
w/data sheets) measure:
220-350kHz (#46705),325-600kHz (#46704),925-2000kHz(#46702). Unit is 
fully functional with strong output (e.g, 50mHz signal heard across 
the room on FT847 receiver). All coils are clearly marked and in like 
new condition. $150+ shipping 

http://swap.qth.com/segamida/603915.jpg