A series of documentaries on industrial change in the U.S.An online collection of early educational public radio content from the National Association of Educational Broadcasters (NAEB).
https://www.unlockingtheairwaves.org/programs/fifty-years-of-growth/
A fascination for leisure
Crowded cities, mass media at home, restless classrooms: People pursue the avenues of leisure time. Efficient machinery changes work and produces time for play.