jtk@lemmy.sdf.org to phones@lemmy.sdf.org • 1 year agoThe Strowger Step By Step Telephone Exchangeexternal-linkmessage-square0 fedilinkarrow-up11
arrow-up11external-linkThe Strowger Step By Step Telephone Exchangejtk@lemmy.sdf.org to phones@lemmy.sdf.org • 1 year agomessage-square0 Commentsfedilink