H.—44a

N.Z.S.S. 364 Ratings and Methods of Test for Electric Heating-elements for Hot-water Containers. 365 Salt-glazed Ware Pipes. 366 Building Bricks, 367 Sequence of Trade Headings and Specification Items for Building "Work. 368 Miners' Lamp Bulbs; being B.S.S. 535-1938. 369 Rubber and Insertion Jointing for Flange and Similar Joints subject to Water Pressure ; being B.S.S. 945-1941. 370 Silver Solder (Grades A, B, and C) ; being B.S.S. 206-1941. 371 Round Strand and Flattened Strand Steel Wire Ropes for Colliery Winding Purposes; being B.S.S. 236-1941. 372 Round Strand and Flattened Strand Steel Wire Ropes for Colliery Haulage Purposes; being B.S.S. 330-1941. 373 Brass Tubes, Tubes for Screwed Glands, and Screwed Glands for Condensers; being B.S.S. 378-1941. 374 Engineers' Squares; being B.S.S. 939-1941. 375 Dimensions, Limits, and Tolerances for Screwing Taps; being B.S.S. 949-1941. 376 Feeler Gauges; being B.S.S. 957-1941. 377 Precision Levels for Engineering Workshops; being B.S.S. 958-1941. 378 Test Code for Fuel-fired Melting Furnaces used in the Non-ferrous Metals Industry; being B.S.S. 992-1941. 379 Flame-proof Enclosure of Electrical Apparatus for Power and Lighting Plant; being B.S.S. 229-1940. 380 Flame-proof Electric-lighting Fittings for Use in Coal-mines and other Places where Inflammable Gas or Vapour may be present in the Surrounding Atmosphere; being B.S.S. 889-1940. 381 Slip (or Block) Gauges and their Accessories; being B.S.S. 888-1940. 382 Cable Glands and Sealing Boxes for Use in Mines; being B.S.S. 542-1941. 383 Rubber Gloves for Electrical Purposes; being B.S.S. 697-1940. 384 Bolted Flame-proof Cable-couplers; being B.S.S. 912-1940. 385 Rubber Mats for Electrical Purposes; being B.S.S. 921-1940. 386 Vulcanized Fibre (Natural Colour) Rods and Tubes for Electrical Purposes; being B.S.S. 934-1940. 387 Flexible Cords for Miners' Cap Lamps; being B.S.S. 937-1940. 388 Air-break Switches (including Isolating Switches Totally-enclosed and Flameproof types) for Voltages not exceeding 660 volts; being B.S.S. 861-1939. 389 Air-break Circuit-breakers (including Totally-enclosed and Flame-proof Types) for Voltages not exceeding 660 volts; being B.S.S. 862-1939. 390 Code of By-laws for the Licensing and Control of Boardinghouses and Similar Premises, 391 Standard Methods for the Analysis of Fats (Internationally Agreed) ; being B.S.S. 684-1936. 392 Method for the Biological Assay of Vitamin 133 by the Chick Method; being B.S.S. 911-1940. 393 Density-composition Tables for Aqueous Solutions of Nitric Acid for Use in conjunction with British Standard Density Hydrometers; being B.S.S. 975-1941. 394 Density-composition Tables for Aqueous Solutions of Hydrochloric Acid for Use in conjunction with British Standard Density Hydrometers; being B.S.S. 976-1941. 395 Rubber Insulated Cables and Flexible Cords for Electric Power and Lighting for Working Voltages, including 11 kV.; being B.S.S. 7-1939. 396 Dimensions of Metal-sheathed Impregnated Paper Insulated Plain Annealed Copper Conductors for Electricity Supply, including Voltage Tests; being B.S.S. 480-1942. 397 Trailing Cables for Mining Purposes; being B.S.S. 708-1940. 398 Artificial Daylight Fittings for Colour-matching; being B.S.S. 950-1941. 399 Screw-threads, British Association, with Tolerances for Sizes Nos 0 to 158.A., being B.S.S. 93-1919. 400 Internal Micrometers; being B.S.S. 959-1941. REVISED NEW ZEALAND STANDARD SPECIFICATIONS N.Z.S.S. 52 Voltages for Transmission and Distribution A.C. Systems; being B.S.S. 77—1939, with local amendment to meet New Zealand requirements, 55 Graphic (Recording or Chart Recording) Ammeters, Voltmeters, Wattmeters, Power Factor Meters, and Frequency Meters; being B.S.S. 90-1940. 77 Electrical Performance of Fractional Horse-power Electric Motors and Generators with Class A Insulation; being B.S.S. 170-1939. 94 Mining Type Transformers; being B.S.S. 355-1939. 121 Zinc Oxide (Types 1 and 2); being B.S.S. 254-1935, amended to suit New Zealand conditions, 123 Tungsten Filament Electric Lamps (other than General Service Lamps') • being B.S.S. 555-1939. 127 Steel Conduits and Fittings for Electrical Wiring;' being B.S.S. 31-1940 144 Dimensions of Bayonet Lamp Caps, Lampholders, and Lampholder Plugs (B.C. Adaptors) for Voltages not exceeding 250 volts; being B.S.S. 52-1941, 177 Machine-cut Gears: A Helical and Straight Spur; being B-S.S. 436-1940.

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