Covers events relating to Operation Greenhouse. Scenes of American personnel working on the test islands of the Enewetak Atoll (sometimes spelled Eniwetok or Eniewetok). View of various bomb proof reinforced test buildings. Several scenes including man building wooden structure, Zero Tower, vessel in water and master control station. Men prepare to leave Eniwetok Atoll. Scientists and technicians make a last minute inspection of all the necessary instruments before leaving the island. Ships loaded with men move to safer water. Men prepare to trigger the atomic bomb on the Eniwetok Atoll. The bomb explodes resulting in a high mushroom shaped atomic cloud. Men of Los Alamos return home after a successful mission.
Sign on door 'Ford Motor Co Vehicles Test Dept, Phoenix Section'. Test driver, Clay Hallickson, coming out of a door, gets into Ford Test car. Car on the desert highway. Test gases inside the car. View of test car on dirt road. Engineer at the control board of test equipment. V-8 engine hooked up to testing equipment. Man at the control board.
State Capitol building in Ohio United States. Views of downtown Columbus, the state capital. People walking on the campus of Ohio State University. Crowd of city people in the Ohio stadium. Ohio State Fair scenes. 'Ohio Welcomes You-ENTRANCE' seen on the gates of the State Fair. Men grooming a cow. City of Cleveland and buildings seen by Lake Erie. Rail terminal, train, busy downtown streets of Cleveland. People getting onto trains. Iron ore port is seen. Lake freighter coming to the port of Cleveland. Huge cranes loading raw materials in freighter. Birth place of Thomas A Edison, inventor of electric light bulb. Man in lighting institute shows working of light bulbs. World's largest lightbulb is shown in the General Electric Lighting Institute in Cleveland. World's smallest bulb also shown at the tip of thin stick. Memorial to Wilbur and Orville Wright brothers,inventors of the first powered heavier- than- air aircraft.. Air planes flying during the Cleveland Air Races annual sky carnival. A formation of Air Force Boeing B-29 superfortress bombers flies overhead. Other U.S. Air Force aircraft fly past, including one jet aircraft that flies low and fast over the assembly. On the ground, a Convair B-36 "Peacemaker" bomber is on static display.
People lying on the Lake Erie shore in Cleveland Ohio. Women lying on shore in sun and a child playing in sand. Admiral Oliver H Perry monument at Lake Erie is seen. Statue of the 25th U.S. President William Mckinley. Busy streets of Youngstown. Steel manufacturing plant. Man pours molten metal in mould.
Wheat farm and field in Ohio United States. Men work in wheat farm. A woman and children view vegetable produce for sale by two boy farm workers at a road-side stand. Heaps of harvested crops in field. A man and children look at carved pumpkin jack o'lanterns and people shop at a farmer's market area. Dairy farm and cattle grazing in the field. Men bring prize horses from stable. Men with horses walk in field. Men working in pottery manufacturing unit. Potter's wheel and clay pot is seen and porcelain tableware manufacturing in East Liverpool, Zanesville, and Cambridge. Woman checks the pile of plates while man paints plates by hand. Two boys stand on stairs outside the Ohio Company Land Office, a wooden building which the narrator says was erected in 1788 and is the oldest building in Marietta, Ohio. Busy streets of Toledo, Ohio, with shops and office buildings along main streets and car traffic on streets. Men work in glass factory. Man blows glass and molds the glass in different shapes by blowing glass. View of Akron. A man and women working in rubber factory in Akron, Ohio. Huge rubber tires and tubes are seen.
Men working at the Sunnyhill Coal Company mine in New Lexington, Ohio, United States. Huge mining steam shovel carries out coal from open pit strip mine. Train crosses bridge over the Ohio River. Sign for Potter's Shoes seen on building in the busy streets of Cincinnati. Views of Union Rail Terminal and Proctor and Gamble soap factory. Views of lake,industry, warehouses. Men assemble cash registers. Men load fruit into boxes at the farm. Pastures and cattle grazing. Clouds of smoke from steel industry. A paddle-wheel driven river boat on the lake is seen.