noctograph


From The Collaborative International Dictionary of English v.0.48:

Noctograph \Noc"to*graph\, n. [L. nox, noctis, night + -graph.]
   1. A kind of writing frame for the blind.
      [1913 Webster]

   2. An instrument or register which records the presence of
      watchmen on their beats. --Knight.
      [1913 Webster]
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