Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Post Office technical pamphlet for workmen
Blue cover with black print. Technical pamphlet - " C.B.S. Exchanges -- 22 Volts". 36 pages.
Pwnc
Diwydiant
Rhif yr Eitem
91.34I/10
Creu/Cynhyrchu
Post Office Engineering Department
Dyddiad: 1938
Derbyniad
Collected officially, 10/9/1991
Mesuriadau
Meithder
(mm): 182
Lled
(mm): 122
Deunydd
papur
metel
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.