Abstract: A lubricant composition contains the reaction product of an alkyl-substituted 1,2-dihydroquinoline and a diarylamine as antioxidant.

Abstract: A disk composed of rigid open cell synthetic resin foam has a recess in one face for being occupied by fertilizer. A water permeable plug of similar foam is inserted in the recess to retain the fertilizer and to serve as a wick for conducting fertilizer dissolved in water out of the recess and into the bottom hole of a plant pot standing on the disk for the fertilizer to permeate the soil in the pot. The fertilizer is preferably composed of pellets coated with water permeable resin. In use the disk is set in a reservoir and covered with water.

Abstract: A polar mount for a satellite dish antenna has the flattened ends of three metal tubes bolted together to form a triangular base having three corners. Three tubular leg members have their corresponding lower flattened ends joined to the respective corners of the base. One leg member constitutes the polar axis shaft. The other two leg members are telescopic and adjustable in length. The upper ends of the two telescopic leg members and the upper end of the polar axis shaft are connected at a common point to create a pyramid-shaped structure. Brackets having bearings mounted to the outside back of the dish and the polar axis shaft extends through these bearings along an axis aligned with a diameter of the dish. The polar axis shaft is at an angle with respect to horizontal corresponding to the degrees of latitude at the antenna location. A tangent to the dish axis is at a declination offset angle relative to the polar axis shaft. The dish rotates on the polar axis shaft through a look angle.