H—44a

APPENDIX NEW ZEALAND STANDARD SPECIFICATIONS ADOPTED, REVISED, AMENDED, AND WITHDRAWN DURING THE YEAR 1. New Zealand Standard Specifications Adopted Mechanieal Engineering .N.Z.S.S. 524 Cold rolled copper sheets and strip (half-hard and annealed) for general purposes up to and including 3 S.W.G. (0-252 in.) thick and 42 in. wide ; being B.S. 899-1940. 525 Dial gauge for linear measurements; being B.S. 907-1940 (including Amendments Nos. 3 and 4, PD 445 and PD 497). 526 Malleable cast iron and cast copper alloy pipe fittings for steam, water, and gas; being B.S. 1256-1945. 527 Flat bottomed railway rails ; being B.S. 11-1936. 528 Wrought steels (carbon and alloy steels) T.A.C. 1-33 steels E.N. 1-58 ; being B.S. 971-1944. 529 Taping drill sizes ; being B.S. 1157-1944 (including Amendment No. 1, PD 304). 530-532 Deoxidised and arsenical coppers ; being B.S. 1172/1174-1944. 530 Phosphorous deoxidised non-arsenical copper for general purposes; being B.S. 1172-1944. 531 Tough pitch arsenical copper ; being B.S. 1173-1944. 532 Phosphorous deoxidised arsenical copper ; being B.S. 1174-1944. 533 High carbon steel gas cylinders for carbon dioxide, nitrous oxide and ethylene; being B.S. 1287-1946. 534 Manganese steel gas cylinders for carbon dioxide, nitrous oxide and ethylene ; being B.S. 1288-1946. 535 Screen analysis of coal (other than pulverised coal) for performance and efficiency tests on industrial plant; being B.S. 1293-1946. 536 Manila ropes for general purposes; being B.S. 431-1946 (amended to meet New Zealand requirements). 537 Wrought iron and mild steel hooks of the " C " or Liverpool type ; being B.S. 591-1935 (including Amendment No. 1, CE(ME) 2780, and Amendment No. 2, PD 327). 538 Carbon steel castings for ships and for marine engine and general engineering purposes; being B.S. 592-1940. 590 Wrought iron for general engineering purposes ; being B.S. 51-1939. 591 General purpose Acme screw threads ; being B.S. 1104-1943. ■592 Electrodes for metal arc welding in the construction of ships ; being B.S. 782-1938. ■605 Method for direct reading hardness testing (Rockwell Principle); being B.S. 891-19401 Eleetrieal Engineering 539 Dimensions of prefocus lampcaps and lampholders ; being B.S. 1164-1944. 540 Jute insulated cables for electricity supply at voltages not exceeding 660 volts ; being B.S. 1216-1945 (including Amendment No. 1, PD 519). 541 Colours for signal glasses for railway signalling purposes ; being B.S. 623-1940. 542 Micanite for commutator separators ; being B.S. 626-1946. 543 Cored solder, resin filled ; being B.S. 441-1932 (including Amendment No. 1, PD 21). 544 Synthetic resin (amonoplastic) moulding materials and mouldings ; being B.S. 1322-1946. 545 Air depolarised primary cells ; being B.S. 1335-1946,. Chemistry 581 Code for temperature measurement; being B.S. 1041-1943 (including Amendment No. 1, PD 437). 582 Symbols for use on diagrams of chemical plant; being B.S. 974—1941. 583 Test code for horizontal retorts and intermittent'vertical chambers ; being B.S. 819—1938. 584 Technique for determining the Rideal-Walker co-efficient of disinfectants; being B.S. 541-1934 (including Amendment No. 1, PD 141). 585 Modified technique of the Chick-Martin test for disinfectants ; being B.S 808-1938. 601 Pish liver oils. [Superseding N.Z.S.S. E. 216.) 603 Special salt glazed ware pipes with chemically resistant properties for use for drains for effluents from chemical works in cases where pipes complying with B.S. 65 are unsuitable ; being B.S. 1143-1943. 604 Lac ; being B.S. 954-1941. 609 Capsules containing vitamins A and D.

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