All-
DeGolyer has the Baldwin Specification books online and the following are the specifications for the CB&Q M2 locomotives of Sept 1914 found in Vol. 50:
Headlight One Square Case 18” Reflector XXXXXX
Headlight Nos. on sides With H’dl’t Step With (See Sup. 86)
Lamp shelf (See Sup. 91) Nosing XXXXXX
Sup 91
Headlight, CB&Q standard (see Sup.2)
Bracket for headlight, and brackets for dynamo on top of
Boiler forward of cab to be furnished and applied by B.L.W.
Headlight bracket is to be as shown on print of R. Co’s.
Pattern A-4190-C and E-4191-C.
Headlight board to be as shown on print of Ry. Co’s
Pattern E-2892-C.
Holes in front end of spokebox for application of headlight
Bracket to be as shown on B.L.W. card 2322.
Sup 2
Ry. Co. to furnish free and apply after delivery of locos
the following:-
Water Glass Protector (lined out 4/14)
Headlight, American Electric Equipment, Model D, com-
pound would, including headlight case and reflector.
Steam heat hose for rear of tender.
One embergency bulls eye headlight (see Sup. 240)
Sup 240
(list of supplies to be supplied by B.L.W. with engine such as flags, lanterns, spare bulbs, tools, omitted)
· 1 Boiler pressure tag holder, blue print 7587-A
· 1 Emergency Bulls Eye Headlight (See Sup.2)
Parts marked thus * are to be furnished and applied
by Ry. Co. after delivery of locos.
So we now know the name manufacturer of the Square Case headlight. It appears that the M2 and S3 engines were the last class delivered with these headlights (which had the vent on the top even though they were electrified). Subsequent classes had modern cast headlights.
Charlie Vlk