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The nominal EMT size is 3/4″, which (of course) means the ID is about 0.8″ and the OD is a bit over 0.9″.
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A foray into the parts heap produced a copper bolt threaded 1/2″-20 and a matching steel nut.
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The cylindrical center of the pedestal must conduct light into the dosimeter, conduct a positive charge into the contact pin, and push that pin hard enough to make contact inside the dosimeter.
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The overall plan looked something like this, at least before I started cutting metal…
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He’s about crow-sized with a much snappier paint job.
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Come to find out, after considerable digging, that one must add this secret incantation to each Display stanza in /etc/X11/xorg.conf…
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Can you tell that Eks is an engineer?
