Galeria fotogràfica - INVASSAT
Waddington, Rod. Building Foundation, Ethiopia
[2009] A geologist collecting a lava sample for chemical analyses from an active lava flow on Kilauea
Securing wire on hop job; tractor pulling high tower
[ca 1900. Loggers
ca. 1941 Construction workers at a considerable height without appropriate fall protection equipment.
1939 - Australian women in the munitions and aircraft construction industries
[1939ca - 1944 ca] "Australian women in the munitions and aircraft construction industries, World War II". Victoria, Australia / Austràlia. 1939ca - 1944ca. State Library Victoria, via Flickr. (3)
1920 - Students working with a printing press, Working Men's College
1894 Fridtjof Nansen leser temperaturen fra vannhenteren
[1894] Fridtjof Nansen. Fridtjof Nansen leser temperaturen fra vannhenteren, 1894. Polhavet. Nasjonalbiblioteket / National Library of Norway, vía Flickr. (1)
1920 Bull gas tractor - Gainesville
1992 Assembling Structures in the Payload Bay
1925 Laying bitulithic pavement - Tampa, 1925
1892 - Tower Bridge
[1892] "Tower Bridge". Londres, Reino Unido / Regne Unit. 1892. The National Archives, vía Flickr. (1)
1900ca - Miners working in a gold mine
[1900ca] "Miners working in a gold mine at Gympie, Queensland". Australia / Austràlia. 1900ca. State Library of Queensland. (1)
1908 - Lewis HINE
1908 - Lewis HINE
(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.