Day 51
#365project

#Hash in #Analog... Long before the tag.

𝙵𝚞𝚗 𝙵𝚊𝚌𝚝
This technical name for this symbol is the #octothorpe. It was designed in the #1960s by engineers at Bell Labs to add a 12th button to the #PushButtonPhone specifically for #aesthetic reasons.

#TheMoreYouKnow 🌠








#hashtag #PoundSign #TouchTone #NumberSign #vintage #retro #telephone #OldTelephone #VintageTech #macro #MacroPhotography #monochrome #bnw #bw #BlackAndWhite #BlackAndWhitePhotography #photography #texture #TextureTuesday #greyscale #grayscale #FunFact

El 18 de noviembre de 1963, el primer teléfono de botones con tono de marcado entra en servicio en Pennsylvania por The Bell System. (imagen ilustrativa)
#retrocomputingmx #pushbuttonphone