Views of process during construction of Liberty ship at shipyards in California during World War 2. Union melts of tank top. Workers union melt the tank top with a machine. Workers wearing protective helmets and gloves. Workers take measurements. A crane transfers a part of the tank top for assembly. Workers place the transferred part into position. (Note: May include scenes from Kaiser Shipyard in Richmond, California as well as Hunters Point Naval Shipyard in San Francisco.)
Gantry being fastened during construction of Liberty ship at shipyards in California during World War 2. Union melt gantry on double bottom floors. Workers seen on the double bottom floors. Wire wound around winder. Worker emerges from the bottom floors. Workers union melt gantry on the floors. (Note: May include scenes from Kaiser Shipyard in Richmond, California as well as Hunters Point Naval Shipyard in San Francisco.)
Piping double bottom during construction of a Liberty Ship at shipyard in California, during World War 2. Men weld pipes through steel walls of double bottom. Pipe welders wear protective masks with "pipe" painted on them. Men work on Liberty ship. Cranes lift completed assembly and place it on flatbed tractor trailer rated at 65 tons. The truck drives away with the assembly. (Note: May include scenes from Kaiser Shipyard in Richmond, California as well as Hunters Point Naval Shipyard in San Francisco.)
View of steel plates laid out on concrete at shipyard in California during World War 2. The plates are stacked in labeled areas. A crane lifts a plate and is guided by worker. Steel plates and related parts stacked and being picked up by a Hyster Straddle Carrier and transported to the superstructure assembly area. (Note: May include scenes from Kaiser Shipyard in Richmond, California as well as Hunters Point Naval Shipyard in San Francisco.)
Workers at shipyard in California, during World War 2, use a set of double acetylene torches to trim steel deck plates for a Liberty ship. The device maintains parallel cuts in adjoining deck plates, preparing for union melt. (Note: May include scenes from Kaiser Shipyard in Richmond, California as well as Hunters Point Naval Shipyard in San Francisco.)
Preparing to join Liberty Ship deck plates by union melt at shipyard in California during World War II. Worker uses mechanical buffer to prepare edges of two plates prior to joining by union melt. Welder makes several tack welds. Another worker buffs the tacked spots. (Note: May include scenes from Kaiser Shipyard in Richmond, California as well as Hunters Point Naval Shipyard in San Francisco.)
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