Light Illumination And Its Measurement (1961)
Shows the various sources of light-incandescent, sodium vapor, mercury vapor, and fluorescent–and how they measure illumination. Uses demonstrations and equations to show how luminous intensity, luminous flux, and the amount of illumination are measured. Explains the inverse square law. Employs a knowledge of geometry and trigonometry to measure illumination of tilted surfaces.
We digitized and uploaded this film from the A/V Geeks 16mm Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project.
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