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Energy and Power
Btu (I.T., pre-1956) conversion calculators and tables
Conversions of Btu (I.T., pre-1956)
Convert Calories (Kilogram,mean) to Btu (I.T., pre-1956)
Convert Btu (I.T.) to Btu (I.T., pre-1956)
Convert Joules to Btu (I.T., pre-1956)
Convert Foot-pounds to Btu (I.T., pre-1956)
Convert Newton-meters to Btu (I.T., pre-1956)
Convert Therms (US) to Btu (I.T., pre-1956)
