SB-WR-2-300 - Gyrating Warning Lights

SBW-2-300 MARS LIGHT

Note flange mounted units (301) are referred to as "300"

No. 3016 D&RGW GP30 with Mars "300" Light in nose

No. 5324 D&RGW SD45 with Mars "300" Light in nose

No. 1795 Central California Traction Co. GP18 with Mars "300" Light mounted between number boards (cover has been removed)

NYC & St. Louis (NKP) RS-11 No. 562 with vert. mounted "300"
photo source: ALCO Historic Photos

crop of above

NYC & St. Louis (NKP) RS-3 No. 540 with vert. mounted "300"
photo source: ALCO Historic Photos

crop of above

NYC & St. Louis (NKP) RS-36 No. 866 with horiz. mounted "300"
photo source: ALCO Historic Photos

crop of above

Side view of case showing case with flange

Front view with door attached
Note the size of the knobs see text. Also note the exterior rubber gaskets surrounding the lenses.

Front view with door removed
Note the spring wires securing the bulbs. Also note the mid-section taper of the plate, between the bulbs.