Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Notes
Blueprint, white text on blue paper. A table with the title: 'THE PREMIUM COOLER Co. Ltd. SHALFORD / WET BULB READING / FOR / VARIOUS AIR TEMPS. & DEGREES OF HUMIDITY.' Contained within a moroon hardback file with all other documents under accession number 85.184I/4.
Pwnc
Diwydiant
Rhif yr Eitem
85.184I/4 (57)
Mesuriadau
Meithder
(mm): 198
Lled
(mm): 146
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.