<Tr> <Td> candle - flame bulb </Td> <Td> CA35 E12 </Td> <Td> CA11 E12 </Td> <Td> ⌀ 35 mm (~ ⌀ 1.375 ") candle - flame shape, ⌀ 12 mm Edison screw </Td> </Tr> <Tr> <Td> flood light </Td> <Td> BR95 E26 </Td> <Td> BR30 E26 </Td> <Td> ⌀ 95 mm (~ ⌀ 3.75 ") flood light, ⌀ 26 mm Edison screw </Td> </Tr> <Tr> <Td> halogen track - light bulb </Td> <Td> MR50 GU5. 3 </Td> <Td> MR16 GU5. 3 </Td> <Td> ⌀ 50 mm (~ ⌀ 2 ") multifaceted reflector, 5.33 mm - spaced 12 V bi-pin connector </Td> </Tr> <Dl> <Dt> General Service </Dt> <Dd> Light emitted in (nearly) all directions . Available either clear or frosted . </Dd> <Dd> Types: General (A), Mushroom, elliptical (E), sign (S), tubular (T) </Dd> <Dd> 120 V sizes: A17, 19 and 21 </Dd> <Dd> 230 V sizes: A55 and 60 </Dd> </Dl>

Who invented the filament in a light bulb