and completely eliminating the flooded hose hazard" while recommending the purchase of Tarzan Espadon (Beuchat) diving accessories “for quality and value”. November: The firm’s product range includes Espadon "Aquacetera", namely a compensator mask, a stainless-steel knife, safety-yellow full-foot fins and a flexible rubber snorkel; American Skooba-"totes" dry suits made by So-Lo Marx of Loveland, Ohio, to complement French Tarzan wetsuits made by Beuchat of Marseilles; the firm’s own Atlantic regulator and Aquamobile underwater scooter "to add the thrill of speed". 1961. March: Submarine Products announces "an amazing development in weight belts", namely a diver’s weight-belt with screw-in weights and quick-release mechanism. The design is awarded French patent FR1314235 towards the end of the following year. 1962. January: Submarine Products introduces a plunger pressure gauge. March: The firm’s first but undated 16-page catalogue highlights Atlantic and Super Sealion breathing sets and accessories; Tarzan masks, fins, snorkels, spearguns, knives and neoprene wetsuits; Skooba-"totes" brown and yellow gum-rubber dry suits; Cristal torches and flood lamps; Triton diving instruments; and Bauer portable compressors. May: “Green label” Atlantic twin set. July: Underwater lamp with 100-watt tungsten-iodine bulb. 1964. Submarine Products releases a second 16-page catalogue with the year of issue on the front cover. New products include: a triple cylinder set; a dial pressure gauge and a depth gauge; Jetfins and Super Tarzan lined wetsuits from France, dark-green Skooba-“totes” dry suits, the "world’s finest", from the USA; the Aquamobile submarine built for two or three divers wearing breathing apparatus and the 300-watt underwater lantern. The catalogue also announces the publication of a "complete and comprehensive guide to all aspects of skin diving". 1966. The company brings out a new undated 12-page catalogue resembling the 1964 version but dispensing with the “professional range” comprising the Aquamobile submarine, Bauer compressor and underwater lantern. 1967. Submarine Products moves into new purpose-built premises complete with test tanks and a pressure chamber at Bridge End in Hexham. Business diversifies into manufacturing moulded plastic products ranging from boat hulls to breathing equipment for divers and firefighters. The firm exports widely, supplying underwater gear to the Australian, Indian, Korean and Jordanian navies. 1969. April: Submarine Products introduces its last double-hose regulator, the "Black Prince", to create a floating scuba set with a “scientifically shaped” back harness and an aluminium compressed air cylinder. The company releases another undated 12-page catalogue with a safety buoy and a budget wetsuit as new Tarzan lines, but