I have available a small inverter, 24-28VDC/6-10A input/125V-450Hz output.  Don't know how much output

current is, doesn't say.   Only ident on it is 'Inverter SA-281', MFR'S Part No. 32B-14-1-A, AF-0964 O5. Have

done a bunch of Google searches no info found.  Is date stamped Oct 1, 1955, and  "SANDIA" Sept 1955.

I got it years ago thinking of using to power a Collins antenna tuner, never used it.  Sold the tuner.  Inverter 

appears to be new, some black crinkle paint off of one end bell.  Instructions inside to adjust voltage.

$20 or offer plus shipping, weighs around 10.5 lbs.

Rod, K0EQH