Register | Login
A measure of the amount of light falling on an object (its illumination). 1 foot candle 1 lumen per square foot. Note that this is a measure only of the light energy that can be seen by the human eye.
Becoming an obsolete unit, replaced by the lux.
previous item next item
Our collection is your collection, so sign up for our newsletter and never miss out! Receive the latest news and event information from Australia’s living archive.