pick off points over the tube surface so as to effectively pick off by capillary action the great part of the condensate and to maintain a relatively thin average thickness of condensate on the surface application_number US 27144272 A description the general description of a condenser and refrigeration system is detailed in the aforementioned newton application and the portion of that application dealing with its fig1 and 2 embodiment is hereby incorporated by reference in accordance with the practice authorized by the commissioner of patents in the notice published in 34 federal register 833 859 official gazette 346 in fig1 hereof 10 is a vertical condenser tube having an interior condensing surface 12 and in accordance with the present invention an insert generally 14 the tube 10 has an inlet not shown at its top for receiving gas and an outlet at its bottom from which liquid is removed the insert 14 has a large number of branches or bristle like members 15 which are of varying lengths and extend at different angles from a trunk 16 at the center of the tube 10 the trunk 16 is made up of two wires 22 the branches 15 strike the surface 12 at many points nearly equal in spacing in all directions including the spacing between the spirals inherent in brush.