Shows the various sources of light-incandescent, sodium vapor, mercury vapor, and fluorescent–and how they measure illumination. Uses demonstrations and equations
Shows how a son tries to approach the problem of alcoholism with his father, who is a problem drinker. After an explosive argument, the father apologizes and promises to change. Suggests methods of rehabilitation and sources of help. We digitized and uploaded this film the A/V Geeks Archives. Email us at footage@avgeeks.com if you have […]