Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Photograph (print)
Three photographs stuck to card showing - Design of panotype matrix 'A'. Manufacture of panotype matrix 'A'. Completed type matrix.
Pwnc
Diwydiant
Rhif yr Eitem
42.229/4 - 6
Creu/Cynhyrchu
unknown
Dyddiad: 1938 (circa)
Derbyniad
Donation, 8/8/1942
Mesuriadau
mount
(mm): 337
mount
(mm): 151
Techneg
black and white (monochrome photograph)
photograph
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.