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Amgueddfa Cymru – Museum Wales
A log table containing figures relating to evaporation tests on the No.2 Simon-Carves boiler at Aberpergwm Colliery on 2nd February, 1932. Also contains the results of the test. Loose within a beige/light brown file with all other documents with the accession number 83.184I/70. The file is labeled 'Steam and Electric Collieries'. Typed in black ink on cream paper. Some details handwritten in blue ink.
