Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Letter
Collection of letters and notes stapled together at top left and first one titled "Comparison of the three methods for treating rails" and dated 17 August 1931.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/2283
Derbyniad
Bequest, 8/9/1986
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 207
Deunydd
papur
Lleoliad
In store
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