Old-Engineering-Tools

Some very old tools of the trade for engineering students in the late 1950's. The Pickett and Eckel Slide Rule was top of the line at that time.

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Some very old tools of the trade for engineering students in the late 1950's. The Pickett and Eckel Slide Rule was top of the line at that time.

D700 with 17-35 f-2.8 24mm. f-8, 1s, ISO 200 manual exposure. mounted on Gitzo tripod with Markins ball head.
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