jtk@lemmy.sdf.org to phones@lemmy.sdf.orgEnglish · 1 year agoThe Strowger Step By Step Telephone Exchangewww.youtube.comexternal-linkmessage-square4fedilinkarrow-up18arrow-down10
arrow-up18arrow-down1external-linkThe Strowger Step By Step Telephone Exchangewww.youtube.comjtk@lemmy.sdf.org to phones@lemmy.sdf.orgEnglish · 1 year agomessage-square4fedilink
minus-squareGeneralSpecific@lemmy.sdf.orglinkfedilinkEnglisharrow-up2·1 year agoWhat a beautiful piece of engineering. Thanks for sharing 👍
What a beautiful piece of engineering. Thanks for sharing 👍