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In the past few weeks I've seen several European steam locomotives in museums. I noticed several of them have a box in the driver's cabin, similar to the one in the picture I've attached. Several cables or tubes leave this box in a circular arrangement and I wonder what this box is doing. So, what is it?

Box in steam locomotive

(Engineering.SE seems to be the best fit for this question; if there's a better one, please let me know.)

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    $\begingroup$ It is probably a lubrication system for some of the mechanisms - others have oil baths or oil glasses which need topping up before use. $\endgroup$ – Solar Mike Apr 7 '19 at 18:29
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    $\begingroup$ If you're still touring museums, show that picture to an attendant and ask. If you get hooked up with an enthusiast, you may get more information than you really wanted! $\endgroup$ – TimWescott Apr 7 '19 at 20:22
  • $\begingroup$ Fuel pump for an oil burner???? $\endgroup$ – Phil Sweet Apr 8 '19 at 2:20
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    $\begingroup$ This is a steamer. It has only one combustion chamber which burns constantly (unlike a diesel). Fuel pump unlikely. (Even if it were a non-common-rail diesel, the fuel pump would be closer to the cylinder, and it would be timed from the crankshaft.) $\endgroup$ – Nick Alexeev Apr 9 '19 at 3:14
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I may be wrong but that looks like a pressure feed for the boiler. Considering it is a machine that builds water pressure, this is probably the distribution point into the burner of the water to be converted into steam.

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