Untested needs woring tidying up , tape on wire.
MARSHAL II POWER CONTROL UNIT MECCANO LTD +/- 0 TO 16VDC 500mA AVERAGE & 16VAC
MECCANO HORNBY DUBLO Marshall II Power Control Unit / Transformer - Boxed
Hornby Dublo Marshall II Power Control Unit
`MARSHALL 2` POWER CONTROL UNIT from `MECCANO LTD`
Meccano OO Gauge Marshall ll Power Control Unit
Meccano Marshall III Power Control Unit Boxed.