Abney flicker photometer

'elped bleached paddy soil center tapped primary winding Dryopteris crassirhizoma Nakai eucytherura nanwanica fatty food herba polygoni avicularis high tinalloy intercellular junction lowering time of boom monotone decreasing movable-blade propeller turbine nervi jugularis Pinus ponderosa plate loss Sicmerling's nuclei stumble against T-AH the experiment therste