Anagram & Information om | Engelska ordet ACTINOMETERS

Exempel på hur man kan använda ACTINOMETERS i en mening

• These photographic actinometers used light-sensitive paper; the photographer would measure the time required for the paper to darken to a control value, providing an input to a mechanical calculation of shutter speed and aperture for a given plate number.

Förberedelsen av sidan tog: 78,19 ms.