12899850 - Lab technician with microscope at a steelworks, 196212899848 - A lab technician undertaking a coal flow test, 196212904577 - Repairing underground train tracks, London, 195512904568 - Repairing underground train tracks, London, 195512899703 - Crack detection on steel bars at J Beardshaw & Sons, 196312899851 - Lab technician using a table top test furnace, 196212899852 - Vacuum absorption chamber, Edgar Allen Steel Co, 196212900113 - Laboratory research work, Germany, 193612899293 - Vibration sensing for the steel industry, 196612899413 - Laboratory, Edgar Allen Steel foundry, 196212899885 - Industrial refrigeration plant in a foundry, 196312899645 - Worker using a cutting machine, 196412899414 - Lab technician with a slide rule, 196211726490 - Pyrotechnist firing a rocket12899702 - Ultrasonic testing of steel, J Beardshaw & Sons, 196312899427 - Lab technician at a steelworks, South Yorkshire, 196311726488 - Pyrotechnist or Firework-maker11722204 - Pyrotechnist setting light to firework11722201 - Firework-maker preparing a rocket11722200 - Pyrotechnist,Artificer or Firework-maker11657957 - Lamech and Tubalcain
