Thom Stewart wrote:
Navy Systems; Were they Bailey or Haggen Systems?

Hagan, although most plants had one or two Bailey components
(flow transmitters IIRC) in them.

.... Most have been
abandon because of the Mercury. I loved those Bailey 3-system Bias
Panels. If I didn't get sick I could have made a very nice living just
teaching about them.
Them and the Haggen "Ring-balance" systems;

Not sure what a "ring-balance" system is, the Hagan system I
know (and could still draw diagrams of) was made up of
little aluminum boxes with diaphrams pushing on a pivot arm.
Simple & flexible, the assembly of 4 chambers could be made
up different ways (springs, adjusting pivot point, feedback
needle valves) to get almost any control action. And it
would run OK with water & crud in the air lines.


.... ----Ah but that was another
time. AND time to just let them live in memories


Time certainly keeps rolling along.

Regards
Doug King