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Amgueddfa Cymru – Museum Wales
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Hydrometer
Hygrometer acid tester. Used at International Colliery. In cardboard tube.
Collection Area
Industry
Item Number
68.271/8
Acquisition
Donation, 9/7/1968
Measurements
Length
(mm): 320
base
(mm): 48
Material
glass
card
mercury
Location
In store
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