| [PHOTOGRAPH .5386 MEDIUM SHOT MAN WORKING AT WORKBENCH] |
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| [PHOTOGRAPH .5385 SIGN REGARDING CHEMICAL RESEARCH] |
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| [PHOTOGRAPH .5384 FULL SHOT 2 MEN IN TRAILER PERFORMING TESTS] |
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| [PHOTOGRAPH .5383 FULL SHOT MEN IN TRAILER RUNNING TESTS] |
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| [PHOTOGRAPH .5382 WIDE SHOT TRAILER] |
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| [PHOTOGRAPH .5381 WIDE SHOT MEN WORKING WITH LAB EQUIPMENT] |
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| [PHOTOGRAPH .5380 WIDE SHOT MAN SITTING ON STOOL LOOKING AT LAB EQUIPMENT] |
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| [PHOTOGRAPH .5379 CLOSE SHOT MAN HOLDING THERMOMETER UP TO WINDOW] |
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| [PHOTOGRAPH .5378 WIDE SHOT 5 MEN POSING FOR PHOTOGRAPH] |
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| [PHOTOGRAPH .5377 WIDE SHOT MAN WORKING WITH LAB EQUIPMENT] |
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| [PHOTOGRAPH .5376 FULL SHOT MAN DEMONSTRATING TEST TO GROUP] |
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| [PHOTOGRAPH .5376 FULL SHOT MAN DEMONSTRATING TEST TO GROUP] |
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| [PHOTOGRAPH .5375 WIDE SHOT MAN IN WAREHOUSE] |
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| [PHOTOGRAPH .5374 FULL SHOT METAL FOLDING CHAIR] |
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| [PHOTOGRAPH .5373 MEDIUM SHOT MAN USING MACHINES TO TEST PAPER] |
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| [PHOTOGRAPH .5372 CLOSE SHOT HAND PRESSING BUTTONS ON A MACHINE WITH NUMBERED KEYS] |
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| [PHOTOGRAPH .5371 CLOSE SHOT HAND TURNING CRANK ON A MACHINE WITH CYLINDER] |
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| [PHOTOGRAPH .5370 FULL SHOT MIMEOGRAPH MACHINE] |
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| [PHOTOGRAPH .5369 FULL SHOT METAL BOX STANDING ON 4 LEGS WITH RULER FOR SCALE] |
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| [PHOTOGRAPH .5368 MEDIUM SHOT 2 SOLDIERS LOOKING AT CAMERA] |
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