An apparatus for playing a racquet and ball game in a confined space comprises an enclosed playing arena having a generally rectangular playing area; upright walls surrounding said playing area; a roof extending over said playing arena and extending between opposed upper regions of the walls; and a pair of upright spaced substantially parallel barriers. The barriers extend transversely of the playing area to divide the playing area into two substantially equal player's zones. The player's zones ...

A foundry core blowing machine includes an upright frame with a blow head for a sand-resin mix fixed at the top. Sectionalized vertically movable rods extend through bushings at the top and bottom of the frame. Fixed to the rods are a cope support and a secondary table. The secondary table supports the cylinder of a cope-drag clamp piston-cylinder assembly with the rod of such assembly being connected to a primary table thereabove which slidably moves on the rods. The secondary table and the rod...

A corner mounting unit for a computer and like equipment quickly attaches to two adjoining surfaces at the same height. The mounting unit includes a frame having a slightly elevated plate with attachments positioned at selected locations whereby computer components or accessories may be positioned and firmly supported directly or indirectly at any of such variety of locations. A keyboard or bridging surface is captured by the frame and extends forwardly of the unit at a lower elevation and bridg...

A novel molding composition is described which prevents plateout of pigment on the surface of a mold or shaping apparatus during the molding or shaping operation. The composition has improved thermal and oxidation stability as well as increased compatibility of the components of the composition. The composition comprises a thermoplastic resin, a fluorescent pigment, a metal salt or complex, polymer or oligomer reagent containing a reactive functionality and other conventional additives. The comp...

A liquid crystal color device (10) includes at least one pel (14) for affecting light (36) incident thereon to produce output light (38), the pel includes three complementary color subsets (30, 32, 34) each having controllable color filtering capability in the respective complementary colors thereof. The color subsets are arranged in optical additive relation, and the color subsets include complementary color parts (30a, 30b, 32a, 32b, 34a, 34b) which are arranged, respectively, in optical seria...

A merchandising system for paint brushes and the like characterized by open-top shipping cartons each having a removable top cover and a wire frame within the carton having a base member retained against the bottom wall of the carton and a plurality of pegs extending generally perpendicular from the base member in spaced apart relation for supporting a plurality of brushes from each of the pegs. To display the brushes, the top cover is removed from the cartons and the cartons are inserted in a b...

An automated screening system and method for cytological specimen classification in which a neural network is utilized in performance of the classification function. Also included is an automated microscope and associated image processing circuitry.

A curable polyester composition having improved properties is described, and the curable polyester composition comprises: (A) at least one unsaturated polyester resin; (B) at least one hydrocarbon monomer copolymerizable with the polyester; and (C) at least one aryl sulfonamide-aldehyde resin. When the curable polyester composition is to be used as a plastic body filler, the curable polyester composition generally will be modified to include (D) at least one inorganic filler which may comprise a...

A hydrotreating catalyst is described which comprises at least one Group VI metal, metal oxide, or metal sulfide, and at least one Group VIII metal, metal oxide, or metal sulfide, supported on a carrier wherein (A) the catalyst comprises from about 10% to about 35% by weight of combined metal, and the atomic ratio of the Group VIII metal to Group VI metal is in the range of from about 0.5:1 to about 2:1; (B) the carrier comprises from about 0.5 to about 10 weight percent of halogen, from about 0...

A jet nozzle for use in propelling a trolley or sledge provided with a television or video camera along a conduit, such as a sewer, for use in inspecting the interior of the conduit, the jet nozzle comprising a casing having an end wall provided with a plurality of discharge openings communicating with a chamber formed between said end wall and a transverse wall, an inlet in communication with the chamber and connected to a home, a bearing provided on the casing mounting a connector member for c...