The First Ever Drum Machine You Could Buy - 1959 Wurlitzer Sideman
Why the open web links it
Demonstrates the 1959 Wurlitzer Sideman, the first commercially available drum machine, and its mechanical sound generation.
Linked by 4 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including hackaday.com, wimp.com, kraftfuttermischwerk.de, rcrpodcast.com.