coop   10 #1 Posted March 31, 2013 I have a copy of this manual for a good home. It was written for the fuel and instrument technicians at British Steel Corporation and as the title states covers automatic control, proportional, derivative and integral control, power cylinders etc. In short a little bit of history, as all the equipment in the book has long since been replaced by electronic and computer control Share this post Link to post Share on other sites Share this content via...