Bronze Age Gold from Wales
Cefn Coed Colliery, steam flow curves
Printed in black ink on off-white paper. Two graphs charting steam curves at Cefn Coed Colliery. The chart is dated 9-7-30. 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'.
Collection Area
Industry
Item Number
83.184I/67 (11)
Acquisition
Collected officially, 20/12/1983
Measurements
Length
(mm): 252
Width
(mm): 552
Material
paper
Location
In store
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