[GreenKeys] Model 28 "Typical" wiring diagram

[Jim Haynes]

On Wed, 1 Dec 2021, W2HX wrote:

> 
> Interesting their use of the “small” Omega for ohms. Are these components
> marked with “ω” meant to indicate ohms? Or maybe mhos?
> 
Western Electric Co. schematics - SD drawings - used the lower-case omega
for ohms and capital omega for megohms, if I remember correctly.  I don't
recall if Teletype consistently followed the parent company in that 
matter.