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My grandfather was an aircraft inspector for De Havilland in WWII. This is one of the notebooks he used to study for the job. He drew all the pictures. (ibb.co)
submitted 3 years ago by to c/mildlyinteresting@lemmy.world
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[–] 15 points 3 years ago (1 child)

Wow! Thanks for posting this. I personally find this VERY interesting.

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  • [–] [S] 15 points 3 years ago* (1 child)

    I think it's really interesting too, but he was my grandfather, so I'm biased. I wasn't really sure how interesting drawings of screw threads and gauges and calipers and such would be to other people.

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