[GreenKeys] Now I know how they work!

[Richard Knoppow]

    In Dufaycolor yet! See
https://en.wikipedia.org/wiki/Dufaycolor
    for a short article on this interesting color photography system. It 
even mentions the BT film linked below. Duplicating it is a difficult 
process.

On 5/30/2017 10:36 PM, Dave Horsfall wrote:
> Not sure if it's been mentioned here before, but...
> 
>      https://www.youtube.com/watch?v=HcMHam54EOI&spfreload=1
> 
> etc.
> 
> Basically, it's a mechanical shift register!  What a technical marvel, but
> I don't think my landlord would appreciate me having one (even if I could
> afford it).
> 
> I did play with glass RTTY at one time, but despite being a computer
> programmer for 40+ years I guess I'm a mechanical engineer at heart; as a
> kid, I was always pulling things apart to see how they worked (my parents
> even bought me a "plastic clock" to stop me from attacking the family's!).
> Yes, how did you know that I had a Meccano set?
> 

-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL