Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-stamp-collecting-d1e82f1d0a32

What is a perforation gauge also called?

An odontometer.

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  1. A watermark tray
  2. A stock book
  3. An odontometer ✔

Why: The perforation gauge is also known as an odontometer.

Huh, didn't know that: The perforation gauge is also known as an odontometer.

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References

Answer: An odontometer. The perforation gauge is also known as an odontometer.

  1. Philately en.wikipedia.org/wiki/Philately
    a perforation gauge (odontometer) to measure the perforation gauge of the stamp
    Checked 2026-11-07.

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