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A mixing drum in the concrete plant

A massive drum, its surface crusted with dried concrete, sits tilted in a heavy iron frame with a thick axle and levers; a timber gallery and stairs run overhead, and cables cross in front of it. It appears to be one of the mixers of the concrete plant, which supplied the dam with concrete around the clock.

Period
c. 1933–1935
Credit
US National ArchivesPublic Domain (NARA) · Digitalisierung und Bearbeitung: © zb Media GmbH

Specifications

Clip name
HFE004089
Length
0' 26"
Aspect Ratio
16:9
Frames per Second
24 fps
Chroma Subsampling
yuv422p10le
Resolution
1920 × 1080
Format
MOV
File Size
567,459,444 bytes
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