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Scotch Boilers
Scotch boiler fronts in the Boiler House at Leith Harbour. The boilers were oil fired and on the left of the picture one of the furnaces and the boiler tubes can be clearly seen.
Another boiler with the front and air space
removed. On the left the burner quarrel is swung back as it would be to gain
entry to the furnace. In the centre the quarle is in the firing position. Above
the burner fitting is a small sight glass that the fireman could look through
to observe the flame pattern.
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