CrosswordMint
Hermetic Writings and Telegraphic Echoes
Challenging puzzle for experienced crossword solvers
1
2
3
4
5
6
7
8
9
10
11
12
13
Across
  • 1. Precursor to emails, typed messages on a paper roll
  • 3. Original morse variant from wireless communications pioneer
  • 5. Rotating device encoding secret dispatches before digital cryptography
  • 6. Flag-based signaling method imposing visual constraints over distance
  • 8. Sun-reflecting mirror signaling across arid or mountainous terrain
  • 10. Air-powered courier tubes in urbane labyrinths
  • 11. System where distant dots and dashes spoke silently
Down
  • 2. Feathered courier with unwritten navigational algorithm
  • 4. Mechanical device magnifying vibrations for message playback
  • 7. Bell Labs’ light-based attempt to transmit voice invisibly
  • 9. Horse-drawn vessel ferrying epistolary secrets across counties
  • 12. Early 20th-century radio communication sans tether
  • 13. Medieval chambers where manual copyists preserved messages

Similar Crossword Puzzles