Installation engineer in cimemas for the first Talkies in UK. Talks on seeing Al Jolson in The Singing Fool. Many cinemas had to be redesigned to put in louspeakers for sound. Including turntables for discs. Sound was photographic optical type. Recounts in early days as the audience in a cinema got larger so the sound had to be increased. Cinemas that did not pay their monthly bills were sabotaged unitl they did. o
