The sum of any set of consecutive odd numbers starting from 1 is a square, and the quantity that is squared is the count of odd numbers in the sum. The latter is easily seen to be a count of the form 1 + 2 + 3 + 4 + ...
shooting brake - another name for a station wagon. beach waggon, beach wagon, estate car, station waggon, station wagon, waggon, wagon - a car that has a long body and rear door with space behind rear seat.
Metering. The metering or hold off valve is used in the brake system to better balance the front to rear brakes. The valve does not allow the pressure to rise at the front disc brakes until the pressure at the rear drums has risen sufficiently to overcome the brake shoe springs.