. The Bell System technical journal . ti Y c J ^^ I/) s WO ^ £ § vo :- a; mLi >\ o ,>i o f>< „ II II II. — —:— ~ ^ — fi td OfVKOOiOO r^ o -< 00> ^ O t~ IB omorf) — t^ w «)©louj — t» (\J ■ IliitJ^tvti O<MO0--<\I(\J IM CJ rvi <D innj9to«i*) (O V o o> to « ——- — — — — <\i oj


Size: 1270px × 1968px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1