H.—44a.

New Standards —contd. (N.Z.S.S.) 321 Brass Bars and Sections (suitable for Forgings) and Drop Forgings ; being B.S.S. 218-1940. 322 Iron Castings for Gears and Gear Blanks (ordinary, medium, and high grades) ; being B.S.S. 821-1938. 323 Toolmakers' Straightedges ; being B.S.S. 852-1939. 324 Wing Nuts ; being B.S.S. 856-1939. 325 Safety Glass for Land Transport; being B.S.S. 857-1939. 326 Fuel Fired Furnaces for Heating and Heat Treatment Purposes ; being B.S.S. 859-1939. 327 Table of Approximate Comparison of Hardness Scales ; being B.S.S. 860-1939. 328 Steel Straightedges of Rectangular Section ; being B.S.S. 863-1939. 329 Capillary Joints for Copper Tubes—not for Mechanical Work (Internal Dimensions of Sockets) ; being B.S.S. 864-1939, amended to suit New Zealand conditions. 330 Toolmakers' Flats and High Precision Surface Plates ; being B.S.S. 869-1939. 331 Abrasive Papers and Cloths for General Purposes ; being B.S.S. 871-1939. 332 Abrasive Papers and Cloths (Tephnical Products) ; being B.S.S. 872-1939. 333 Micrometers (External); being B.S.S. 870-1939. 334 Hand Hammers ; being B.S.S. 876-1939. 335 Steel Tubes for Water Well Casing ; being B.S.S. 879-1939. 336, 337 Seamless Brass Tubes for General Purposes : — (1 vol.) 336 Hard Drawn Seamless Brass Tubes (Ultimate Tensile Stress 25 to 30 tons per square inch) ; being B.S.S. 885-1940. 337 Annealed Seamless Brass Tubes ; being B.S.S. 886-1940. 338 Vernier Callipers ; being B.S.S. 887-1940. 339 Engineers' Parallels (Steel) ; being B.S.S. 906-1940. 340 " Best Yorkshire " Wrought Iron ; being B.S.S. 858-1939. 341, 342 Leaded Gun-metal Castings and Ingots : — (] vol.) 34-1 85/5/5/5 Leaded Gun-metal Ingots ; being B.S.S. 897-1940. 342 85/5/5/5 Leaded Gun-metal Castings; being B.S.S. 898-1940. 343 Round Strand Steel Wire Ropes for Lifts and Hoists ; being B.S.S. 329-1939. 344 Dimensions of Rivets (i-in. to If in. diameter) (excluding Boiler Rivets); being B.S.S. 275-1927. 345 Gold Size ; being B.S.S. 311-1936. 346-348 White Oil Pastes for Paints :—- (1 vol.) 346 Genuine White Lead Oil Paste ; being B.S.S. 241-1935. 347 Zinc Oxide Oil Paste; being B.S.S. 273-1935, amended to suit New Zealand conditions. 348 Lithopone Oil Paste ;. being B.S.S. 297-1935. *349 Tung Oil, Type F, for Paints ; being B.S.S. 391-1936. [fS.A.] 350 Dimensions of Drain Fittings, Salt-glazed Ware and Salt-glazed Glass (Vitreous) Enamelled Fireclay ; being B.S.S. 539-1937. Revised Standards. (N.Z.S.S.) 24 Pipe Threads, Part 1 : Basic Sizes and Tolerances ; being B.S.S. 21-1938. 25 Screw Threads of Whitworth Form ; being 'B.S.S. 84-1940. 30 High Tensile Brass Bars and Sections (Grades A and B) ; being B.S.S. 250-1940. 31 Naval Brass (Admiralty Mixture) Bars and Sections (suitable for Macliining and Forging) and Forgings ; being B.S.S. 251-1940. 32 Naval Brass (Special Mixture) Bars and Sections (suitable for Machining and Forging) and Forgings ; being B.S.S. 252-1940. 49 Brass Bars (High Speed Screwing and Turning) ; being B.S.S. 249-1940. 121 Zinc Oxide (Types 1 and 2) ; being B.S.S. 254-1935, amended to suit New Zealand conditions. 181 Code of Clauses for Town Planning Schemes. 183 General Purpose Laboratory Thermometers ; being B.S.S. 593-1940. Standard withdrawn. (N.Z.S.S.) 26 Being B.S.S. 92-1919, also withdrawn. (See N.Z.S.S. 25.)

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