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Memòria prevencionista

Memòria prevencionista: galeria fotogràfica

WILLIAMS - Rock workers using a jackhammer in drilling at a quarry, near the Coquille River

WILLIAMS - Rock workers using a jackhammer in drilling at a quarry, near the Coquille River

WILLIAMS, Gerald W. Rock workers using a jackhammer in drilling at a quarry, near the Coquille River. OSU Special Collections & Archives. Via Flickr. Document sense restriccions conegudes de drets d'autor.

Diver entering water, Grand Coulee Dam construction site

Diver entering water, Grand Coulee Dam construction site

Diver entering water, Grand Coulee Dam construction site. Estats Units (Washington). 07/01/1938. University of Washington Libraries. Document sense restriccions conegudes de drets d'autor.

Cranberry picking machine

Cranberry picking machine

Cranberry picking machine. 1946. OSU Special Collections & Archives. Via Flickr. Document sense restriccions conegudes de drets d'autor.

The women's work in transport services 1914-1918

The women's work in transport services 1914-1918

The women's work in transport services 1914-1918. Regne Unit (Manchester). 1917. Imperial War Museums. Document sense restriccions conegudes de drets d'autor.

Sand Blaster

Sand Blaster

Sand Blaster. 1915-1920. The Library of Congress. Document sense restriccions conegudes de drets d'autor.

Peddler, East Side

Peddler, East Side

Peddler, East Side. (1915-1920). The Library of Congress. Document sense restriccions conegudes de drets d'autor.

Dentist on COMFORT

Dentist on COMFORT

Dentist on COMFORT. (1915-1920). The Library of Congress. Document sense restriccions conegudes de drets d'autor.

Elie Nadelman

Elie Nadelman

Elie Nadelman. (1915-1920). The Library of Congress. Document sense restriccions conegudes de drets d'autor.

Painting ROCHESTER

Painting ROCHESTER

Painting ROCHESTER. (1915-1920). The Library of Congress. Document sense restriccions conegudes de drets d'autor.

X-Ray Room

X-Ray Room

X-Ray Room. (1915-1920). The Library of Congress. Document sense restriccions conegudes de drets d'autor.

(1) Documento sin restricciones conocidas de derechos de autor. (2) Documento en el dominio público. (3) Documento compartido bajo licencia Creative Commons. / (1) Document sense restriccions conegudes de drets d'autor. (2) Document en el domini públic. (3) Document compartit amb llicència Creative Commons.