2 x WW2 RAF Radio Transmitter Quartz Plate Crystal Radio Units Air Ministry 1944

This auction is for Two Vintage Radio Quartz Plate Module Units.  Both units date from WW2 and are marked AM Crown for Air Ministry ( Royal Air Force ) - and are both dated 1944.  They are quite large units measuring approx. 40mm wide x 44mm tall (excluding pins) and 19mm deep  The pins are approx 20mm apart and are 15mm long. 

The crystals are very old and untested so are being sold as non -working collectables only please.. 

Please see photos for details.. Thankyou for looking at this auction..