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topic
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Conveying systems
Petroleum industry
2
name
x
Keystone View Company
collection
Robert N. Dennis collection of stereoscopic views
2
place
Port Arthur (Tex.)
2
Texas
2
genre
x
Stereographs
Photographs
2
division
Wallach Division: Photography Collection
2
type
still image
2
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: Stereographs
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Name
: Keystone View Company
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Topic
: Conveying systems
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Electric Conveyor for cases o…
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Conveyor of boxes, filling ro…
