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CNR Blow-Down Instructions Signs
Many of the steam locomotives operating on the CNR had a small sign affixed to the ceiling of the cab that advised the engineer on how often he should operate the locomotive's blow-off cocks and also stated if the locomotive was equipped with a continuous blow-down valve. As of this writing, only two versions of this sign are known to have been in circulation on the CNR, both of which can be seen below. The first was for engines equipped only with manual blow-off cocks, while the second was for engines also equipped with a continuous blow-down valve. The signs measured 6" x 9" and 6" x 11" respectively.
The sign was located on the ceiling of the cab just at the bend of the roof, and could be mounted on either the engineer's side (which seems to the most common location) above the headlight switch, or the fireman's side above the boiler cards.
The photos below depict the two know versions of the sign and also show the application in the cabs of 6167, 6060, and 5529.
CNR 6167 had her CBD instructions sign mounted on the fireman's side of the cab.
Photos Courtesy Grant Kingsland.
CNR 6060 also has CBD and her sign can be seen on the engineer's side.
Photo Courtesy Harry Home.
CNR 5529 displays the tell-tale signs of once having an instruction sign.
Photo Courtesy Molly Butterworth, Museum Of Transportation, St.Louis Missouri
As you can see, 6167's Blow-Down Instructions Sign is long gone. |
