Arkivism
Untitled photo, possibly related to: Tulsa, Oklahoma. Pumping station engineer with an apparatus known variously as "pig", "go-devil" and "scraper". It is sent through the eight inch pipeline at intervals for cleaning, to remove obstructions and to detect leaks
Public domain

Untitled photo, possibly related to: Tulsa, Oklahoma. Pumping station engineer with an apparatus known variously as "pig", "go-devil" and "scraper". It is sent through the eight inch pipeline at intervals for cleaning, to remove obstructions and to detect leaks

Vachon, John · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit lineUntitled photo, possibly related to: Tulsa, Oklahoma. Pumping station engineer with an apparatus known variously as "pig", "go-devil" and "scraper". It is sent through the eight inch pipeline at inter. 1942-01-01. Vachon, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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