This image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
License this image for commercial use at Science and Society Picture Library
MSA explosimeter, model 2, for detection of combustible gases Science Museum Group © The Board of Trustees of the Science Museum
MSA explosimeter, model 2, for detection of combustible gases, by the Mine Safety Appliances Co. Ltd., Glasgow, 1940-1955