Strowger, Step by step telephone system, (600 lines) used Bell system made by Western Electric. Pt 1

https://www.patreon.com/user?u=65542787 https://www.paypal.com/donate?campaig... For those who would like to help with expenses. H D video of a working Western Electric step office. This is a replacement of a 10-year-old non H D video. The video has been divided into two parts. Pt 2 soon.