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Amgueddfa Cymru – Museum Wales
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Calculator, 'Monroe High Speed Adding Calculator'.
Black and green calculator with white keys.
Collection Area
Industry
Item Number
ED 170
Acquisition
Collected officially, 1/10/2004
Measurements
Length
(mm): 330
Width
(mm): 425
Height
(mm): 205
Weight
(kg): 10.3
Material
metal
Location
Big Pit National Coal Museum : Timekeepers Office
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