[TUHS] NROFF & Model 37s

[Dave Horsfall]

On Fri, 8 Jun 2018, Doug McIlroy wrote:

> Under the keyboard was remarkable mechanical crossbar encoder that 
> dripped machine oil. {...]

It may interest some here that that crossbar arrangement, along with the 
distributor and its selector magnets, actually form a hardware shift 
register...

Here's a Gootoob video (11m): it's a mechanical marvel!

http://www.youtube.com/watch?v=HcMHam54EOI

-- Dave VK2KFU, who was into RTTY once