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.
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!
Thank you for sharing. I’ve studying everything included in these notes, I understand it all. And in the years that I did study this, not one of my excise books of notepads was nearly as detailed. I’d ‘look up the slides’ or ‘google it’…
Science Technology Engineering Art and Mathematics in motion.
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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