What did Francis Ronalds invent in 1845 for observatories?

A camera for continuous recordings.

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  1. A digital sensor
  2. A color filter
  3. A camera for continuous recordings ✔

Why: Ronalds invented the first successful camera to make continuous recordings of meteorological and geomagnetic parameters.

Huh, didn't know that: Ronalds invented the first successful camera to make continuous recordings of meteorological and geomagnetic parameters.

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That invention recorded history.
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References

Answer: A camera for continuous recordings. Ronalds invented the first successful camera to make continuous recordings of meteorological and geomagnetic parameters.

  1. Photography en.wikipedia.org/wiki/Photography
    invented the first successful camera to make continuous recordings
    Checked 2026-11-07.

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