one-filament lamps and fitted with a screen at the base
to prevent glare or reflection that may interfere with the
navigation of the ship. These lights are operated from
The BLINKER LIGHTS (white) are 32-point
signal keys located on each side of the signal bridge.
(360°) lights (fig. 4-26) located outboard on the signal
Older blinker units (fig. 4-26, view A) have a cluster
yardarm, one port and one starboard. The fixtures are
of six 15-watt lamps in a single multiple-lamp socket,
spray tight, each provided with multiple 15-watt,
Figure 4-26.--Blinker light fixture.