. Bell telephone magazine . Fic. 2. Plowing in Buried Cable Armored Against Natural and Man-Made Fig. 3. Tins Tunnel, Exclusively for Telephone Cable, Was Laid Under the H.\rlem River for T.\lk Channels Out of Manhattan Island.

---

Size: 1879px × 1329px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922