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Changing The Cast
Description: Workers at the Norwalk Lock Company use machinery, including a Shell Molding machine, to manufacture parts for 3.5-inch practice “Bazooka” rocket launchers.

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Clip #: MF-22P
Length: 3:06
Color: B/W
Sound: Sound
Library: TFA Network
Decade: 1950s
Region: North America
Country: United States
State: Connecticut
Subject: Manufacturing
Original: 16mm
Keywords:
1950s, Connecticut, South Norwalk, Norwalk Lock Company, foundry, male worker preparing sand mold for 3.5-inch practice “Bazooka” rocket launcher part, molten metal being drawn off into pouring ladles and poured into molds, male workers wearing face masks to protect against dust shattering molds to remove castings from molds, castings being sent through machine to achieve exact dimensions of finished part, male worker inspecting castings to ensure proper weight and dimension, male workers installing casting equipment, shell molding, shell mold casting, preheated metal patterns inside cabinet from which castings will be made, metal patterns at proper temperature coated with mixture of sand and resin which hardens into accurate molds much quicker, lighter and portable than in previous methods, male worker using machine to glue together mold halves, Shell Mold and Machine Company, mold that can easily be transported to pouring ladle rather than visa versa, casting on assembly line basis, pouring ladles filling molds, male workers manufacturing rocket launcher parts, male workers holding and examining completed rocket launcher part


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