Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cefn Coed Colliery, pressure chart
Printed in black ink on off-white paper. 'Pressure chart showing the operation of the accumulator plant at Cefn Coed Colliery. Amalgamated Anthracite Collieries Ltd. South Wales'. On the reverse there are some notes and sketches handwritten in pencil. Loose within a green card file with all other documents with accession number 83.184I/67. The file is labelled 'Colliery Boiler Plant B31', 'Cefn Coed Data' and 'Colliery Engineering'.
Pwnc
Diwydiant
Rhif yr Eitem
83.184I/67 (9)
Derbyniad
Collected officially, 20/12/1983
Mesuriadau
Meithder
(mm): 253
Lled
(mm): 203
Deunydd
papur
Lleoliad
In store
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