Men demonstrate assembling of a standard Dodge engine at Camp Holabird in Maryland, United States. Workers work on assembling a dodge motor kept on a work bench. Placing it on bench, aligning gears. Workers attach the crankshaft, install generator valves and pistons, the head, main bearings, distributor, manifold transmission and clutch. They place the head to cover whole assembly and fasten screws.
German dirigible Graf Zeppelin during its flight over New York, United States. Graf Zeppelin written on the nose seen during its flight. The cabin windows. Low winged single engine airplanes escort the dirigible. It sails over the Statue of Liberty. Crowd on streets and house tops wave greetings to the dirigible sailing overhead. Graf Zeppelin sails over New York buildings and the Manhattan bridge,
German dirigible Graf Zeppelin during its flight to New Jersey, United States. Graf Zeppelin reaches Lakehurst in New Jersey after flight of more than 5000 miles. The dirigible during its flight in sky. Naval captain reads message and the radio man at the navy wireless control station. A big crowd looks at the dirigible awaiting since dawn. Graf Zeppelin drops its handling lines to the awaiting ground crews. It sails over the landing site.
Pilot study on Freeway Control System for controlling the pressure of increasing traffic on roads. Model design of control system developed to control traffic congestion problem on Gulf Freeway. Detector on merge area of main highway and side ways. Cross roads control system utilizes Loop Detectors. Control equipment at a laboratory. Man working on them. Meters and indicators on control panel
Pilot study on Freeway Control System for controlling the pressure of increasing traffic on roads. Model design of control system developed to control traffic congestion problem on Gulf Freeway. Merge detector, gap speed detector employed on the road control entry of cars. Various indicators used and the control equipment at surveillance head office. Urban areas utilize the system.
First flight of the dirigible United States Ship Akron from Lakehurst, New Jersey and over New York. Airship floats in air, U.S. Navy symbol and Akron written on it. Buildings, river bridges and ships anchored at harbor can be seen. Navigation pilot and other officers of the crew in the control room. Buildings and waterfront of Manhattan.
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