Original 1930 road construction and maintenance trade vintage catalog for the AUTOMATIC SIGNAL CORPORATION.  Main office and plant was located in New Haven, CT. 

Manufacturers of Traffic Dispatching Systems.

Products include:

Semi Vehicle-Actuated Traffic Control Systems use vehicle-sensitive units, detectors, in only one or two streets approaching the intersection. These systems operate with high efficiency at minor intersections, especially where main thoroughfares are intersected by occasionally-traveled cross streets or dead-end streets.

Full Vehicle-Actuated Traffic Control Systems use vehicle-sensitive units, detectors, in all approaches to the intersection. This is the highest development in traffic control equipment.

Traff-O-Matic Systems are the finest and most carefully designed semi vehicle-actuated systems which it is possible to make. They have been thoroughly tested under every conceivable traffic and weather condition.

Electro-Matic Systems are full vehicle-actuated systems. They are designed for major intersections, and will handle traffic with higher efficiency and safety than any other form of traffic control.

Has numerous product & installation images, description, application and specifications provide product details.

Unbound from a large rare 1930 Municipal Index, this unique old four-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro industry library. Pages are loose.