Product Details

• Producers: Handy (Jam) Organization
• Region: All Regions
• Number of discs: 1
• Studio: Quality Information Publishers Inc.
• Run Time: 9 minutes
• ASIN: B000UZDP4I
• Amazon Best Sellers Rank: #414,241 in Movies & TV (See Top 100 in Movies & TV)

Editorial Reviews

The traffic light may be a device that you have never even thought about - but have you ever tried to drive without them?! They are a crucial element of our automobile centered society and provide automated traffic coordination on the millions of congested American roads. Seeing Green is a vintage educational film from 1937 about some of the earliest models of traffic lights and how they were developed. Table Of Contents: (1) Seeing Green (1937) - Take a look at the science behind traffic lights in the 1930s with this classic Jam Handy video. It shows how the control system of a traffic light functions to control the growing number of vehicles being produced in this era - 9 Minutes