Telèfon

Memòria prevencionista

Memòria prevencionista: galeria fotogràfica

Bell System Telephone Switchboard

Longshoremen

Hine, Lewis Wickes. Longshoremen. This shows the prevailing method of transferring bananas from the end on the conveyor that carries them from the hold of the ship onto the dock. New York. 7/1937. The U.S. National Archives via Flickr. No known copyright restrictions. 

Weavers at work

Byron. Weavers at work. Between 1910 and 1915. Library of Congress Prints and Photographs Division Washington via Flickr. No known copyright restrictions

Pinion department

Richie, Robert Yarnall. Women working in the Pinion Department at Bulova Watch. New York, 1937. SMU Central University Libraries via Flickr. No known copyright restrictions.

Steam power

A. H. Poole. Steam power. Waterford, August 1905. National Library of Ireland via Flickr. No known copyright restrictions.

Magdalene Vinnen

MAGDALENE VINNEN docked in Woolloomooloo. Woolloomooloo, March 1933. Australian National Maritime Museum via Flickr. No known copyright restrictions.

Afilador

Scharensliep. Een scharensliep met hoed en baard is aan het werk op zijn speciale kar. Nederland, plaats onbekend, 1931. National Archief. Via Flickr. No known copyright restrictions.

Construcción tranvía

Construction of the Balmain counter weight system (for the tramway). Balmain. c.1903. State Records NSW. Via Flickr. No known copyright restrictions.

Sailor at the Naval Air Base

(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.