Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Examination in form & colour vision, certificate
Black print on cream paper with handwritten details in black ink. Examination in form vision, colour vision and colour ignorance, certificate of examiner, belonging to William Berkeley Duggan, Cardiff, 7 September, 1898.
Pwnc
Diwydiant
Rhif yr Eitem
85.11I/9
Mesuriadau
Meithder
(mm): 132
Lled
(mm): 155
Dosbarth
health and safetyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.