1901 Outing June 320/1 Another challenge has now been received from them..and a second attempt to ‘lift’ the Davis Cup will be made this season.

1936 ‘R. West’ Thinking Reed xi. 374 He would secure front-row seats for the Davis Cup.

1950 Oxf. Junior Encycl. IX. 309/1 In 1900 an American player called Dwight Davis presented the Davis Cup, which is competed for annually by many countries.

1931 Hansard 10 June 1021 Six ratings..escaped from the wreck by means of the Davis submarine escape apparatus.

1936 R. H. Davis Deep Diving 6 The Davis submersible decompression chamber..was submitted to the Admiralty in 1929.

1936 R. H. Davis Deep Diving vi. 113 Divers could not do useful work there [i.e. beyond 204 feet] unless means could be found for improving the conditions of their ascent... The problem has now been solved by the invention of the Davis submersible decompression chamber.

1936 R. H. Davis Deep Diving xiv. 206 The procedure in case of emergency would be for two men to enter the locks wearing the Davis apparatus..to open the upper hatches and, floating through them, escape to the surface.

1940 E. Ellsberg Men under Sea vii. 89 The Davis ‘lung’..has always carried in addition to the chemical cartridge a small oxygen cylinder, from which fresh oxygen can be continuously supplied.

1940 E. Ellsberg Men under Sea xxii. 305 A diver may work 20 minutes at a depth of 300 feet, come up in a total of 13 minutes' time to 60 feet, where he enters the Davis chamber, and then be hauled aboard.

1947 Sci. News 4 12 The Davis submarine escape apparatus is the simplest form of diving apparatus. It consists simply of a counter-lung with a small oxygen cylinder and soda-lime canister, and a mouth-piece.