In an alkaline dry battery using a polyamide resin sealing gasket that is placed between a battery case and an anode terminal plate without using a stiffening member and seals the battery case in an airtight manner, the sealing gasket includes a first and a second thin wall parts and is formed of polyamide resin, polyhexamethylene dodecanamide. The skirt terminates in a plurality of spaced thread engagement flanges for engaging the thread of the neck of a container. The processing electronics are also configured to adjust the target value to account for the motion of the aircraft andor the motion of the detected weather. A hinge assembly thereto is coupled between the lid assembly and the chamber body. The eyes may be monitored sequentially or simultaneously. The first and second field coils are connected substantially in parallel to each other when viewed from an external field current supply source supplying field currents to the first and second field coils.