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Sunday, August 21, 2011

Coordinate Transformation Equations Slide Dial

Michigan Mike found this one of Dad's old books: Introduction to Space Dynamics by W.Tyrrell Thomson.


The logo is for North American Aviation. Dad got out of the aerospace business when I was in high school. Only large organizations had computers, calculators were still largely mechanical, and the PC was still years in the future.

1 comment:

Ole Phat Stu said...

I'd like to see more photos, rotated thru 45° and 90° respectively. Is that possible?