Absolute pressure of condenser is taken to be - in barometric inches - half height of barometer minus vacuum reading.
Uxinzelelo ngokuphelelyo lwesixhobo sokuphelisa umphunga luthathelwe ukuba kwi-intshi sokulinganisa kuxinzelelelo moya lwangaphandle - isiqingatha sokuphakama sesixhobo sokulinganisa uxinzelelo moya ongaphandle uthabathe ufundo lwesixhobo sokumfimfitha umoya