[ForSale-Swap] COLLECTOR ITEMS

[ray murphree]

Two items of interest to collectors of classic, functional, state
of the art, bench test reference instruments. 

1. DECADE CONDENSER (Capacitor bench standard)
   Type 219-M, Serial No. 4188
   GENERAL RADIO CO
   CAMBRIDGE, MASS
Calibrated .1, .01, .001 Mfd. ; add 30 mmf to indicated value.
Switch controls mounted on 1/4 inch black bakelite.
Instrument box is varnished teak or walnut?
Instrument box is lined with a thin copper shield stapled in place. 
$50 plus $5.00 shipping. CONUS

2. VARIABLE INDUCTOR (Inductance bench standard) 
   Type 107-M, serial No. 8562
   GENERAL RADIO CO
   Cambridge, Mass USA
Parallel or series inductance, Mutual inductance= 1/2 (l-30.3) mh.
Max power: 15 Watts, max current .65 amp, D-C resistance 32 ohms
Controls mounted on 1/4 inch black bakelite face. 
Instrument box is varnished teak or walnut? 
$75 plus $5.00 shipping CONUS
Will consider special price for both instruments. 
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3. MICRO HATCH
   RF POWER & VSWR METER
   Impedence 52 ohms, freq range .5 to 225 mhz
   Unit consists of a coupler unit model 261.1 that is inserted in
   the coax between xmitter and antenna and a indicator unit model 
   262 with switchable circuit that reads  1 - 1000 watts or 1 - 
   100 VSWR.  
Mfg: M.C. JONES ELECTRONICS CO. INC. 
     BRISTOL, CONN
$45.00 shipped CONUS

Reply via return e-mail or phone 208-746-8376

Ray Murphree, K4SRJ