Konvertierung. Verarbeitung von Kupfer und Messing. Verpackung von Küh...
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Chicago, Illinois. Subsistenzforschungslabor des Quartermaster-Depots ...
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Erdbeeren auf dem Feld mit einem Träger voller Beeren. Getrocknete Kie...
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A black and white photo of a man in a field, Great Depression. FSA/OWI...
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Die getrockneten Hopfen werden vom Trockenraum in den angrenzenden Rau...
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Produktion. P-51 "Mustang" -Kampfflugzeuge. Eine Mitarbeiterin von Nor...
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Demonstration der Verwendung von Zellophan und ähnlichen Produkten in ...
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Durchführung von Feuchtigkeitstests an einer Reisprobe. Staatliche Rei...
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Tortillas im Backshop, San Antonio, Texas. Tortillas werden aus Maisme...
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Wiegen einer abgepackten Probe getrockneten Gemüses zur Bestimmung der...
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Farmers during Great Depression: A man walking a dog in a field.
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Kern County California. Mühle des Wolfram Chief Mine. Rösten von konze...
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Überschüssige Feuchtigkeit wird durch Rollen aus Leder entfernt. Leder...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Druck auf Quark in Formen ausüben. Dieser Vorgang entzieht dem Käse Fe...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Ebenfarmen brauchen Bäume Bäume verhindern Winderosion, sparen Feuchti...
Plakat mit der Aufforstung von Bäumen als Methode zur Bodenerhaltung. Schreiben Sie den Direktor, Prairie States Forestry Project, Lincoln, Nebraska. Rückseitig gestempelt: 10. Februar 1940. Arbeitsprojekte Ver... Mehr
Bureau of Standards führt umfangreiche Tests von Glasbausteinen durch....
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
Produktion. Furnier für Flugzeuge und andere Kriegsmaterialien. Ein St...
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Chicago, Illinois. Subsistenzforschungslabor des Quartermaster-Depots ...
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Regierung entdeckt Methode zur Filmkonservierung. (2) Expansion und Ko...
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Weizen, Walla Walla County, Washington. Während einer Jahreszeit mit ü...
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L.R. Leinbach, angestellter Chemiker, montiert die Apparatur zur Besti...
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Die neueste im Baumwollanbau. Washington, DC, 15. Juli. John Randolph,...
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AAA (Agricultural Adjustment Administration) Büro, Grundy County, Iowa...
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Produktion. Industriealkohol. Der "Wirbelsturm" einer ehemaligen Whisk...
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Produktion. Kupfer. Scheibenfilter, die den Kupferkonzentraten Feuchti...
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Detail einer Apparatur zur Bestimmung des Feuchtigkeitsgehalts von get...
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Wiegen einer abgepackten Probe getrockneten Gemüses zur Bestimmung der...
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Konvertierung. Rendering von Haushaltsfetten. In einer Tierkörperbesei...
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Walze, die vom Kunden der Rehabilitation Administration konstruiert wu...
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Sheridan County, Kansas, Bauer wühlt im Dreck, um zu sehen, wie tief d...
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Produktion. Furnier für Flugzeuge und andere Kriegsmaterialien. Ein St...
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Texas-Fotografien - Farm Security Administration / Office of War Infor...
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A black and white photo of a man working in a factory. Office of War I...
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Konvertierung. Bodenbeläge mit Schusswaffen. Gewehr- "Möbel" für die A...
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An old black and white photo of a man digging a hole. Great Depression...
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Beteiligungen der Long Bell Lumber Company, Cowlitz County, Washington...
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Austrocknung. Kartoffeln. Eine Charge getrockneter Kartoffeln wird von...
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Pomp Hall, Farmer aus Negro, gräbt ein Loch in den Boden, um zu sehen,...
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