BTC785 HOW THE DIAL WORKS

Film score
Subtitle: Film score
Other titles: Working of a Dial Phone Telephone Apparatus
Period of composition: 23 - 26 Sep 1935
Genre: Incidental music
Performing forces:

Fl, ob, cl in B flat - 2 perc (block, trgl, susp cymb, wb, sd, bd) - pf

Notes

Produced for the GPO film unit by Ralph Elton and Rona Morrison. A short film explaining the principles behind the automatic telephone exchange, released in 1937.