WORK OF AN MODEL MAKING UNIT - 15875 Picture issued 1945 shows - The contour lines are traced from the map enlargements on to sheets of stout board of predetermined thickness, according to the vertical scale of the model under construction, Royal Air Force

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Size: 2532px × 1973px
Photo credit: © piemags/ww2archive / Alamy / Afripics
License: Licensed
Model Released: No

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