Walter marking a centre on Horden's smokebox door ..... |
..... relative to which he derives the position of all other drillings |
Dave checking a piece of bar ..... |
..... from which he makes a nut for one of Horden's drawbars |
Malcolm milling a block for Horden |
Jim making a bracket to drive a fusible plug in the lathe |
Malcolm & Brian making lubrication pipe runs for Horden |
John wiring machine tools |
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