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Amgueddfa Cymru – Museum Wales
Small twin cylinder compressor or vacuum pump - depending on disposition of valves. Twin single acting cylinders 1" (25mm) bore x 1" stroke. Theoretical displacement - 1ΒΌ cu.ft/min (0.6 litre/sec) at 1400 R.P.M. for pressure up to 60 p.s.i. (4 bar). Unpainted.
