Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Report
Six page report and a technical drawing attached with a paperclip. Title: 'Project for magnetising and magnetic separation of non-magnetic iron ore.' Report is typed in black ink on cream paper. Also includes a technical drawing of a magnetic separator, blue dyeline on cream paper. Dated 7th June 1930 Stockholm.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/679
Mesuriadau
Meithder
(mm): 363
Lled
(mm): 242
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.