path of actionpathetic overtonepatternpattern methodpatterned cut outpausepeakpeak programme meterped downped uppedestalpeep showpegba trackspelliclepencil of lightpercussionsperfect shotperforatedperforated magnectic filmperforated screenperforating machineperforationperforation pitchperforatorperformerperforming artsperiod and pageant musicperiod movieperiodicperipheral visionperiscopeperiscopic finderpersistence of visionpersonal microphonepersonalismpersonalityperspectiveperutz filmphantascopephanton powerphasephase quadraturephase shiftphase splitterphenakistiscopephono cinema theatrephonofilmphonoscopephosphenephoto disc
