basic ratebasic repetition ratebasic researchbasic television servicebasket windingbassbass boostbass controlbass reflez bafflebass responsebassybat handle switchbatchbatch fabricationbatch modebatch processingbathtub capacitorbathythermogarphbatterybattery analyzerbattery back upbattery charger chargerbattery testerbattery vhargerbattery voltagebaudbaudot codebavdwidthbayaard alpert vacuum transducerbayes theorembayonet basebayonet couplingbayonet socketbbdbcdbdbebeaconbeacon presentationbeacon stealingbeacon systembeadbead thermistorbeambeam capturebeam convergencebeam couplingbeam currentbeam deflection tubebeam finder