Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Pearson Electric Safety Lamps (booklet)
Full title - The Problem of Electric Storage Definitely Solved. The "Pearson-Nife Lamp" with "Nife" Accumulator. 18 pages in card covers with tile printed in red on front. Bound with two red metal 'buttons'.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.