Hydrographic Station Pointer in Wooden Case, Nautical P-63 the indicator displayed the pressure

the indicator displayed the pressure being applied to the rubber surface de-icer boots along the leading edges of the wings and empennage to dislodge ice which has formed

Here is an authentic WW2-vintage Carburetor Temperature Indicator as appeared in the early WW2 Fighter Curtiss P-40B Warhawk

Measures 13 inches long

returns by one direct movement to its proper reading

Hydrographic Station Pointer in Wooden Case, Nautical P-63 the indicator displayed the pressureThis Hydrographic Station Pointer was used in coastal navigation to determine the position of a sea going vessel and to chart coastlines. It consists of a fixed arm secured to a brass circle and two movable arms that can be adjusted to angles determined by a sextant. Three arm extensions are in included in the kit. More about how it was used can be found here. Although not specifically labeled, we believe it to have been manufactured by Kelvin and