photochronograph
An instrument for recording very short intervals of timeAn instrument for recording very short intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.
Meaning
2 sensesAn instrument for recording very short intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.
An instrument for the photographic recording of star transits.
Origin
From photo- + chronograph.From photo- + chronograph.
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Forms
plural: photochronographs| Singular | photochronograph |
|---|---|
| Plural | photochronographs |
regular