1920+ 384-hz+ beat+ binaural+ blood-cells+ bones+ camera+ camera-click+ click+ dr-sch+ film+ flash+ flashgun+ frequencies-of-elements+ generated-sound+ gun+ liver+ mag+ magnesium- magnesium-phosphate+ muscles+ nerves+ old+ phos+ phosphate-480-hz+ photo+ photography+ powder+ press+ puff+ red+ regeneration-and-stabilisation+ salts+ schuessler-cell-salts+ shutter+ slr+ smoke+ snap+ ssler+ the-bodys-health+ thyroid+ victorian+ vintage+