Tank manufacture (Chrysler). These are partially completed M-3 tanks, twenty-eight ton steel giants being turned out at the huge Chrysler tank arsenal in Detroit. The camera was directed toward the end of the three main assembly lines. Mass assembly methods developed in automobile manufacture are used. Note overhead cranes for heavy parts
<bdi><a href="https://en.wikipedia.org/wiki/en:Alfred_T._Palmer" class="extiw" title="w:en:Alfred T. Palmer"><span title="photographer">Alfred T. Palmer</span></a>
</bdi>
[between 1940 and 1942]
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