Type
|
SAURA liquid compass |
Bowl
|
white colour inside, black lubber's line |
Card
|
75mm diameter; mica card; graduated 0-360 degrees
in 5 degree
sections plus cardinal points.
2 x Alnico magnets rigidly attached to card float;
Cap of artificial sapphire, Pivot top of platinum iridium alloy |
Lighting
|
Electric lighting from below; 3V from dry cell
batteries |
Grid Ring
|
Has 0 - 360 degree graduation.
Easy Course Determination by moving knob fixed on grid plate.
Easy reading; Plastic T-Shaped grid |
Suspension
|
Round gimbal journals |
Package |
Wooden box |
Grid
Compass (discontinued) 