Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Brown's slide rule for engineers, case
Brown, W.F.
(Manufacturer)
Green case with grey label along top centre - rule slides into case at r/h side.
Pwnc
Diwydiant
Rhif yr Eitem
1993.246/4
Creu/Cynhyrchu
Derbyniad
donation, 30/7/1993
Mesuriadau
Meithder
(mm): 425
Lled
(mm): 70
Uchder
(mm): 20
Deunydd
Card
Paper
Lleoliad
In store
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Eitemau cysylltiedig
Diwydiant
Brown's slide rule for engineers, instructions
Production: Brown, W.F.
(1913 (circa))
1993.246/5
Diwydiant
Brown's Patent Hydraulic Steering Telemotor (book)
Production: Brown Brother's & Co. Ltd.
(1916)
83.92I/64