Mildly Interesting

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This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.

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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 1 year ago by FlyingSquid@lemmy.world to c/mildlyinteresting@lemmy.world

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[–] Alteon@lemmy.world 20 points 1 year ago (1 children)

You should post this in the mechanical engineering community. This is amazingly well done. We love this sort of stuff.

[–] HessiaNerd@lemmy.world 1 points 1 year ago

It's interesting they called first angle 'British Projection'. I can see calling third angle 'American Projection' cause of ANSI, but it is still kinda odd.