Interior Department building in Washington D.C., United States. Water being sprayed from four pipes over surface of water and lily pads. View of Interior Department building. Small park with yellow flowers in the foreground. Lily pads in water fountain across a street.
Old Soviet Embassy building in Washington D.C., United States. Soviet Flag flutters in wind from flagpole on top of Old Soviet Embassy building,Washington D.C. Trees in foreground. Other unidentified buildings in the foreground. Traffic moves along Massachusetts Avenue. Main entrance of the Soviet Embassy. Autos parked in foreground.
Buildings at Watergate Complex in Southwest Washington D.C., United States. View of modernistic apartment at Watergate Complex in Southwest Washington D.C. Trees in foreground. Traffic moves on street. Steel beams of the building under construction. Shell of the building .
Theodore Roosevelt Bridge over Potomac River in Washington D.C., United States. Flower bed of red and yellow blooms alongside a street. Traffic moves on streets in the background. Auto approaches along Ohio Drive street. View of Theodore Roosevelt Bridge over Potomac River. Traffic moves on the bridge. Yellow flowers in large stone pots in median strip along Pennsylvania Avenue. Many large white flower pots and small trees seen on median strip. Autos approach from overpass. Orange flowers pots seen. Traffic en route from Pennsylvania Avenue, Southeast towards area of Independence Avenue.
Traffic on streets in Washington D.C., United States. Traffic moves on streets. Trees seen on either side of a street. Vehicles approach to 14th Street Bridge across the Potomac River.
The 50-hours inspection of the ignition and electrical system of USAAF B-24 Liberator heavy bomber aircraft at an airfield in the United States. Men exercise on the field. An animated diagram of human skeleton and United States Army Air Forces B-24 Liberator heavy bomber aircraft. The B-24 heavy bomber aircraft takes off. The aircraft in flight over grasslands. The B-24 parked at the airfield. The crew members start the 50-hours inspection of ignition and electrical system of the aircraft. An electrical specialist tightens the elbow terminals and nuts of the hammering engines. The specialist checks the chamber and slides wires and makes sure they are not worn. He checks the cable for security of mounting. After inspecting all the wires and harness, the specialist checks other attachments. He examines the switch lead and removes cover from booster coil. The signals for operation test on cover plate switch board flow smoothly, so the specialist gives an 'OK' signal. During the electrical inspection: the specialist notes the operation of the battery disconnect relay. A man in the cockpit operates the battery switches. The specialist signals in the cockpit and replaces canvas covering. He checks battery insulation for proper security of connections. The specialist makes the hydrometer test with electrolytes and removes the sump and cleans it with soda water bath and neutralize acids. He checks the proper connection of accessible electrical leads and also checks the landing lights and examines the inter cooler shutters in the cockpit. The specilaist checks the generator for security of mounting and makes sure that the brushes are in good condition. He tests the oiling and cooling blast connection.
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