trevorbaylis,trevorsignorino

发条式收音机的发明者特雷弗·贝里斯(trevor baylis)今天表示
trevor baylis cbe (1937 - 2018)
trevor graham baylis was born on 13 may 1937 in
trevor baylis, the inventor of the wind-up radio, has died.
david baylis