H—44A

APPENDIX

HEW ZEALAND STANDARD SPECIFICATIONS RECOMMENDED DURING THE YEAR FOR DECLARATION, REVISION, AMENDMENT, OR WITHDRAWAL 1. New Standards Building at.z.s.s. 595 Hollow load-bearing concrete masonry blocks. 611 Code of practice for the glazing and fixing of glass for buildings ; being B.S. 973-1945. •624 Timber ladders. 631 Classification and grading of Pinus radiata (insignus pine). •632 Code of practice for the kiln-drying of timber. '644 Definitions for fire-resistance, incombustibility and non-inflammability of building materials and structures (including methods of test) ; being B.S. 476-1932. =673 Fire prevention by-law. Chemical Engineering •600 Nickel anodes (for electroplating) ; being B.S. 558-1934. 669 Electroplated coatings of nickel and chromium on steel and brass ; being B.S. 1224-1945. Chemicals and Scientific Apparatus •613 Carboys and carboy hampers ; being B.S. 678-1936. -614 Meteorological thermometers (maximum, minimum, ordinary), sheathed type; being B.S. 692-1936. ■637 Graduated measuring cylinders ; being B.S. 604-1935. 638 Crow receivers ; being B.S. 605-1935. '639 Nessler cylinders ; being B.S. 612-1935. •640 Kohlrausch flasks ; being B.S. 615-1936. 641 Laboratory incubator, water baths and oven thermometers ; being B.S. 619—1935. 642 Cyanides (classes A and B) suitable for electroplating ; being B.S. 622-1935. 643 Sugar flasks ; being B.S. 675-1936. 726 Ethyl alcohol; being B.S. 507-1933. 727 ■ Report on standard temperature of volumetric glassware ; being B.S. 554-1934. 728 Nickel ammonium sulphate and nickel sulphate for electroplating ; being B.S. 564-1934. 729 Bacteriological test tubes, Durham fermentation tubes and Dreyer agglutination tubes; being B.S. 625-1935. 730 Flasks with graduated necks, three special; being B.S. 676-1936. Electrical Engineering 620 Heavy duty flameproof type plug and socket: being B.S. 279-1947. 621 Dimensions and testing of metal sheathed or braided varnished cambric insulated annealed copper conductors for electricity supply; being B.S. 608-1943. . 633 Intrinsically safe electrical apparatus and circuits ; being B.S. 1259-1945, amended to suit New Zealand 'requirements. 635 Battery-operated electric fences ; being B.S. 1222-1945. 679 Track circuit insulation ; being B.S. 456-1932. 680 Thirty-ampere flameproof plugs and sockets and cable couplers ; being B.S. 1395-1948. 720 Thermal storage hot water heaters. 732 Electrical performance of resistance welding apparatus. Gas and Solid Fuel 636 Sampling of small fuel up to 3 in., embodying some general principles of sampling (bv Dr. E. S. Grumell and Dr. A. C. Dunningham); being B.S. 403-1930.

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