Showing output on both AC and DC.
Vintage Meccano Marshal II Power Control Unit - Hornby Dublo OO - Untested
MECCANO MARSHAL II Power Controller Unit ..*
MARSHAL II POWER CONTROL UNIT MECCANO LTD +/- 0 TO 16VDC 500mA AVERAGE & 16VAC
Meccano Ltd Marshal II Power Control Unit, Untested 220/250 Volts.
MARSHAL II POWER CONTROL UNIT MECCANO LTD UNTESTED SEE PHOTOS
Marshal II Power Control Unit by Meccano, 12v DC 15v AC variable 15v AC fixed
