A commercial for 1950s Delco Dry Battery. Shot of Douglas C-124 flying across icy snowy mountains surrounded by icy fog. Air-traffic controllers stations at Ground-controlled approach. Huge monitors equipped with computers. Emergency standby generator by the wall. The fog reducing visibility of the station. C-124. CU of the pilots. Aerial shot of mountain sides. C-124 descending, entering the fog. CU of controllers. Emergency alarm goes off, signaling the power failure, which is turned off immediately. Emergency battery is turned on and begins to supply electricity to the base. C-124 nearing to the base then safely lands on the runaway. Ground crews on tractor come by and begin to unload C-124. The tractor is equipped with Delco’s dry charge batteries.