This has been tested and is working.
Vintage British Post Office (P.O.) multimeter, model No. 12D/1 UNTESTED
Vintage British Post Office (P.O.) multimeter, model No. 12C/1.
Militaria Army Collectable Vintage British Army Memorabilia
OXO CUBES METAL Tin COLLECTABLE VINTAGE Retro COLLECTABLE Tim's Good Condition
OXO CUBES METAL Tin COLLECTABLE VINTAGE Retro COLLECTABLE
VINTAGE 1970s POST OFFICE TELEPHONES METER MULTI-RANGE NO. 12C/1 / GPO BT / xv
