On 24/04/2017 2:14 PM, Richard Youltressteleg@... [TramsDownUnder] wrote:
>

> A search of the Internet to date has revealed nothing on GE control gear, let alone what was used in Cuba.

>

PC5 description with some images are in the COTMA technical documents archive at:

http://www.cotma.net.au/library/general electric/electrical_systems/GE 54662A Controller Parts catalogue GE PC5 various - 1921.pdf
and
http://www.cotma.net.au/library/general electric/electrical_systems/GE 15382 Dimensions aparatus used with PC control - 1924.pdf

I have attached a pic of the master controller as fitted to an Adelaide H.
http://tdu.to/PC5_master-controller_Adelaide_17Feb2006.jpg

The type M info (as used in Melbourne sparks) is at:
http://www.cotma.net.au/library/general electric/electrical_systems/GE 15383 Dimensions aparatus used with Type M control - 1924.pdf

Mal Rowe - interested in early electro-pneumatic controllers