Referring to the picture of a CB&Q 2-10-4 #6313 at
http://gelwood.railfan.net/other/cbq/cbq-6313abn.jpg
I have two questions.
1. There is a tank in front of the short exhaust stack that I remember would
usually spout a stream of steam directed into the exhaust. Not all M4's had the
this tank as you can see in #6319 at
http://www.railfan.net/cgi-bin/thumb/abprphoto.cgi?/railpix/ABPR/august01/08-20-01/CBXQ6319SteamatCentraliaILBLXDRColl.jpg
What was the purpose of the tank?
2. What was the meaning of the colored flags up at the top-front of the
engines? I remember seeing white and green. Were there other colors and what
did they mean?
Regards,
Bob
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