Show and/or tell your obsolete science/engineering accoutrements

[JeffS7444]

That stuff (

) were even before the slide-rule and pocket protector days!
You two should've been given yellow flags.

Though, there is one relic, of 'corporate' work, that has apparently been essential since at least 1948.
This 90second youtube clip is better than you guessing it wrong.

And yet, both are readily available even now. I must have gotten mine in the late 1970s, in preparation for a drafting class (another relic!) in high school. I liked shop-type classes because they tended to be easy and sorta fun.

 

[JeffS7444]

C'mon. That ^^ was a good pun.

┐( ͡° ʖ̯ ͡°)┌

Not to put too fine a point on it, but I think it was more of a double entendre.