Uppfinnaren Ragnar Carlstedt 1937 vid sin demonstartionstavla för olika Arcaregulatorer, en isntrumenttavla för olika reläer. I hans fabrik vid Bangårdsgatan 12 i Stockholm.
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Public domain photograph of a storage tank, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Divisi More
Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War More
Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War More
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl More
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Divisi More
Public domain photograph of Maryland in 1930s, free to use, no copyright restrictions image - Picryl description
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War More
Picryl description: Public domain image of railway tracks, train station, railroad building, free to use, no copyright restrictions.
Original caption: Cape Kennedy, Florida - On Launch Complex 17B stands the Delta launch vehicle with the Relay II communications satellite mated to its third stage. If a successful launch is achieved, it will More
Original caption: Cape Kennedy, Florida - On Launch Complex 17B stands the Delta launch vehicle with the Relay II communications satellite mated to its third stage. If a successful launch is achieved, it will More