white-phosphor tube

adaptive dual control Alexander Sir Harold Rupert Leofric George bsc(binary synchronous communication) condensation shock wave density-gradient column electronic automatic switch error pattern feed-breed Hoya lasiogynostegia lamp checkpotentiometer Lemesos lid sealing compound llandoverian age lord treasurer mill housing window overspeed test of steam turbine quadriga Seaton Glacier suprasternal TW (time word)