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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)

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[-] [email protected] 10 points 1 year ago

I grew up in a sheet metal fabrication company in the US. It's wild to see drawings of measurement tools I'm familiar with from 80 years ago. I had no idea these designs were this old. This is so cool, thanks for sharing, OP!

this post was submitted on 30 Aug 2023

368 points (98.7% liked)

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