Bilder Videos

Smrb Bilder ❘ Science Photo Library

Coal dust explosion experiment,1950s
11713141 - Coal dust explosion experiment,1950s
Coal dust explosion research train,1930s
11713139 - Coal dust explosion research train,1930s
Coal dust explosion experiment,1900s
11713140 - Coal dust explosion experiment,1900s
Coal dust explosion experiment,1940s
11713142 - Coal dust explosion experiment,1940s
Building coal dust explosion gallery
11713136 - Building coal dust explosion gallery
Mining safety tests
11713134 - Mining safety tests
Coal dust explosion experiment,1940s
11713143 - Coal dust explosion experiment,1940s
Mining safety tests
11713133 - Mining safety tests
Coal dust explosion gallery
11713137 - Coal dust explosion gallery
Building coal dust explosion gallery
11713135 - Building coal dust explosion gallery
Coal dust explosion gallery,1930s
11713138 - Coal dust explosion gallery,1930s
Mine safety research,1940s
11713132 - Mine safety research,1940s
Mine dust safety research,1940s
11713094 - Mine dust safety research,1940s
Baldwins opening mine safety site,1928
11713091 - Baldwins opening mine safety site,1928
Mine dust safety research,1940s
11713095 - Mine dust safety research,1940s
Mine safety research,1940s
11713131 - Mine safety research,1940s
Mine safety research site visitors,1930s
11713087 - Mine safety research site visitors,1930s
Mining safety research,1940s
11713096 - Mining safety research,1940s
Mine safety research site opening,1928
11713092 - Mine safety research site opening,1928
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