Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Post Office technical pamphlet for workmen
Blue cover with black print. Technical pamphlet - "Wheatstone System Morse Keyboard Perforators". 32 pages.
Pwnc
Diwydiant
Rhif yr Eitem
91.34I/6
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.