Pages 106 and 107 of Jeremiah Head's diary

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Diary of Jeremiah Head, railway engineer for Robert Stephenson and Co, part founder of Fox, Head and Co
Head, Jeremiah

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[Page 106]

After breakfast I took all requisite dimensions for the pipe arrangement, & then found that one of the engines we had been (word scored through) repairing, had an awful jump upon her. We could not tell where it was. Stephenson tightened up the journals? almost to heating, but still there was a nasty judder & jump – I discovered that the fixed ends of the radius rods were ¾” too low; so they were packed up with washers – which took the strain off the frame but there was still the same shake on the engines. So after [struck through] I got them to stop the engine again, determined

[Page 107]

to overhaul her all. Then uncoupled the crosshead, found it was slack, and found the connecting rod was all right – also the crank &c. We then tried the piston up by hand & found it sticking at one end, so Stephenson took it to pieces, put it in again slack & then set it fair in the middle of the cyl[inde]r also adjusted the crosshead, & then put it all together again. I made them try the piston up by hand – found it was easy, finished her, set the steam on, & she was perfectly cured – I then got John to write me an official order for the pipes, offered

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