Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Notice
Wooden board painted black. White lettering on front : SIGNALS 1. SLACK 2. CAST 3. FULL BLAST 4. TROUBLE AT ENGINE HOUSE 5. STOP 6. TEST CALL 8AM & 8PM 9. A.R.P. SLACK
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.