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Cefn Coed Colliery, low pressure steam flow chart
Handwritten/drawn in black and green ink on off-white, grey lined graph paper. 'Low Pressure Steam Flow Chart Cefn Coed Colliery'. Two graphs, one graph is labeled 'worst possible condition' the other is labeled 'best possible condition'. 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 (14)
Creation/Production
David, E. Ivor
Date:
Acquisition
Collected officially, 20/12/1983
Measurements
Length
(mm): 318
Width
(mm): 540
Material
paper
Location
In store
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