Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Observations on Subsidence (booklet)
Full title - Observations on Subsidence. An Evangel for Colliery Owners. 8 page booklet, stapled at centre.
Pwnc
Diwydiant
Rhif yr Eitem
2017.29/23
Derbyniad
Old stock, 20/2/2017
Mesuriadau
Meithder
(mm): 150
Lled
(mm): 223
Deunydd
papur
metel
Lleoliad
In store
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