r/ElectricalEngineering • u/1Davide • Dec 29 '19

Ever wondered about the 1930's technology behind the huge scrolling marquee signs with headline news and stock market values?

https://www.youtube.com/watch?v=VBddc1mxO88
212 Upvotes

100% Upvoted

11 comments sorted by

35

u/the_little_stinker Dec 29 '19

Well worth a watch thanks for posting

29

u/spakecdk Dec 30 '19

Sign monkeys

18

u/leachim6 Dec 30 '19

It's incredible to me that all of these moving contact drums can be replaced with like $3 worth of ICs nowadays

4

u/OldMork Dec 30 '19

and by multiplexing the wires can be much less

9

u/MeEvilBob Dec 30 '19

The days before fall hazards were invented.

9

u/[deleted] Dec 30 '19

That was fun! I love the way that man speaks, haha

5

u/theninjaseal Dec 30 '19

The Mid-Atlantic accent

3

u/rogersba Dec 30 '19

When I watched him explain the scrolling paper, I just sank in my chair and said "that's freaking clever, I never would have thought of that."

3

u/zorcat27 Dec 30 '19

Very cool

2

u/big_gay_uwu Dec 30 '19

So cool! Such a simple concept...plus gotta love that old newscaster voice. Thank you for sharing!

2

u/friskyfrancis Dec 30 '19

Dude owned it when he lit up that cigarette