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Penallta Colliery, plan
Messrs Powell Duffryn Steam coal co Ltd. Re. Penallta colliery. Arrangement for one Zoelly-mixed-pressure-steam-turbo-compressor 40000 cub.ft.m 2900-3100 rpm Zoelly turbine with B.B.C Compressor scale 1/30th No.222427 9.4.24
Collection Area
Industry
Item Number
68.35/150
Measurements
Length
(mm): 592
Width
(mm): 836
Classification
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