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Amgueddfa Cymru – Museum Wales
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Johnson Mine, ventilation plan
Johnson Mine Four Feet Seam Ventilation Plan. Scale 1:2500. Plan Ref. No. JM/VP/1. Dated 31 3 1995. Folded.
Collection Area
Industry
Item Number
2007.12/33
Acquisition
Purchase, 8/2/2007
Measurements
unfolded
(mm): 590
unfolded
(mm): 830
folded
(mm): 304
folded
(mm): 216
Material
paper
Location
In store
Classification
ventilationComments are currently unavailable. We apologise for the inconvenience.