Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Lionel I. Heath, letterhead
Letterhead of Lionel I. Heath, Engineers' and Manufacturers Agent. Black print on white paper. Page contains unidentified drawing/chart in pencil and blue biro on front and reverse.
Pwnc
Diwydiant
Rhif yr Eitem
79.61I/86
Derbyniad
Donation, 4/7/1979
Mesuriadau
Meithder
(mm): 254
Lled
(mm): 201
Deunydd
papur
Lleoliad
In store
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