The throttle-valve is opened or closed by turning a grooved vertical pulley by means of an endless cord, called the telegraph, passing round another pulley fixed upon the " headache-post," and is thus under the control of the driller working in the derrick.
Passionate about football, Derrick focused on his natural talent for the game of basketball.
This derrick is also used for putting out the fore bunt sections of the bobbins.
The position of the reversing link is altered by means of a cord, passing over two pulleys, fixed respectively in the engine-house and on the derrick.
One day we had approximately 150 buzzard like birds flying around the derrick mast of the rig a truly amazing site.