Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Post Office Engineering Dept. (booklet)
Booklet - 23 pages ; 22 black & white photographs Content summary:- Construction and maintenance of P.O. lines and exchanges.
Pwnc
Diwydiant
Rhif yr Eitem
91.47I
Derbyniad
Collected officially, 1991
Mesuriadau
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.