280 THE NEW ZEALAND GAZETTE No. 7

NZS 1878: 1964 (BS 3628: 1963) Hose clips (worm drive type) for general purpose use.
NZS 1926: 1964 (BS 2803: 1956) Oil hardened and tempered steel wire for springs for general engineering purposes.
NZS 1927: 1964 (BS 3066 : 1959) Engineers' cold chisels.
NZS 1937: 1964 (BS 3580: 1964) Guide to design considerations on the strength of screw threads.
NZS 1943: 1964 (BS 3687: 1963) Crane-suspended hand-operated geared ladles for iron foundries of ½ ton to 25 tons capacity.
NZS 1948: 1964 (BS 3716: 1964) General purpose rubber water hose.
NZS 1961:1965 (BS 1586: 1964) Methods for the testing of refrigerant condensing units.
NZS 1968:—— (BS 3693:——) Recommendations for the design of scales and indexes—
Part 1: 1965 Instruments of bold presentation and for rapid reading.
NZS 1970:1965 (BS 3724: 1964) Glossary of terms relating to fibre ropes and cordage.
NZS 1987: 1965 (BS 3713: 1964) Electrical control couplers for diesel locomotives and diesel multiple unit trains.
NZS 2012: 1965 (BS 3800: 1964) Methods for testing the accuracy of machine tools.
NZS 2031: 1965 (BS 3818: 1964) Self-sealing fuelling couplings for diesel locomotives and diesel railcars.

53 Pressure Vessels

NZS 1044: 1952 (BS 1712: 1951) Cast iron economizers with extended surface horizontal tubes.
NZS 1073: 1952 (BS 1713: 1951) Cast iron smooth tube economizers with pressed socket joints.
NZS 1685: 1962 (BS 3293: 1960) Carbon steel pipe flanges (over 24 in. nominal size) for the petroleum industry.

58 Safety and Hygiene

NZS 935: 1962 (BS 1439: 1961) Industrial paper towelling and dispensing cabinets.
*NZS 1704: 1962 (BS 2653: 1955) Protective clothing for welders.

59 Drawing Office Practice

NZS 1030: 1965 (BS 1646: 1964) Graphical symbols for process measurement and control functions.
NZS 1744: 1962 (BS 3460: 1962) Recommendations and specifications for draughtsmen's chairs.

65 Physical Measurement

†NZS 133: 1962 (BS 718: 1960) Density hydrometers and specific gravity hydrometers.
NZS 1009: 1951 (BS 880: 1950) Musical pitch.
NZS 1348: 1953 (BS 1843: 1952) Colour code for twin compensating cables for thermocouples.
NZS 1353: 1958 (BS 1957: 1953) Presentation of numerical values (fineness of expression; rounding of numbers).
NZS 1356: 1958 (BS 2643: 1955) Glossary of terms relating to the performance of measuring instruments.
NZS 1498: 1959 (BS 2454: 1954) Methods for the determination of magnetic permeability of iron and steel bars, forgings and castings.
NZS 1502: 1959 (BS 2840: 1957) General purpose maximum and minimum thermometers (Six's pattern).
NZS 1503: 1959 (BS 2841: 1957) General purpose wet and dry bulb hygrometer.
NZS 1562: 1960 (BS 3166: 1959) Thermographs (liquid-filled and vapour pressure types) for use within the temperature range—20°F to 220°F (−30°C to 105°C).
NZS 1563: 1963 (BS 2738: 1962) Spectacle lenses.
NZS 1595: 1960 (BS 3231: 1960) Thermographs (bimetallic type) for air temperatures within the range 0°F to 140°F (20°C to 60°C).
NZS 1654: 1961 (BS 2813: 1957) Polarized and non-polarized plugs for use on hearing aids.
NZS 1663: 1961 (BS 661: 1955) Glossary of acoustical terms.
NZS 1690: 1962 (BS 3292: 1960) Direct reading hygrometers.
NZS 1694: 1962 (BS 3162: 1959) Ophthalmic trial case lenses.
NZS 1724: 1962 (BS 3383: 1961) Normal equal-loudness contours for pure tones and normal threshold of hearing under free field listening conditions.
NZS 1726: 1962 (BS 3425: 1961) Measurement of noise emitted by motor vehicles.
NZS 2022: 1965 (BS 3730: 1964) Methods for the assessment of departures from roundness.
NZS 2061: 1965 (BS 3875: 1965) Optical spectrophotometric cells.
†NZS 2066: 1965 (BS 3045: 1958) The relation between the sone scale of loudness and the phon scale of loudness level.

NZS 2067: 1965 (BS 3593: 1963) Recommendation on preferred frequencies for acoustical measurements.
NZS 2092: 1966 (BS 1339: 1965) Definitions, formulae and constants relating to the humidity of the air.

66 Electronics and Telecommunications

†NZS 543: 1958 (BS 441: 1954) Rosin-cored solder wire, 'activated' and 'non-activated' (non-corrosive).
NZS 1278:—— (BS 1117:——) Bare fine resistance wire for precision electrical equipment—
Part 1: 1965 Inch units.
Part 2: 1965 Metric units.
NZS 1600: 1961 (BS 1951: 1953) Thermosetting synthetic-resin bonded-paper round tubes for use at radio frequencies.
NZS 1602: 1961 (BS 2214: 1955) The performance of power transformers (not exceeding 2 kVA rating) for radio and allied electronic equipment.
NZS 1603: 1961 (BS 2950: 1958) Cartridge fuse-links for telecommunication and light electrical apparatus.
NZS 2196: 1967 (BS 3966: 1966) Microwave measuring instruments.

67 Illumination and Lighting Equipment

NZS 424: 1962 (BS 1015: 1961) Exciter lamps.
NZS 622: 1951 (BS 942: 1949) Formulae for calculating the intensities of lighthouse beams.
NZS 869: 1964 (BS 1546: 1963) Electric lamps for lighthouses.
NZS 1200: 1964 (BS 398: 1948) Classification of symmetrical light distributions from lighting fittings.
CP 52: 1962 (BS 354: 1961) Recommendations for photometric integrators.

72 Chemical Industry

NZS 44:—— (BS 501: 1952) Reports on metric units of volume.
727:—— (BS 554: 1952) and standard temperature of volumetric glassware—.

Comprising—

44: 1953 Report on metric units of volume.
727: 1953 Report on standard temperature of volumetric glassware.
NZS 45: 1963 (BS 526: 1961) Definitions of the calorific value of fuels.
NZS 185: 1961 (BS 753: 1959) Density composition tables for aqueous solutions of sulphuric acid.
NZS 280: 1962 (BS 795: 1961) Ampoules.
NZS 298: 1953 (BS 756: 1952) Dean and Stark apparatus.
NZS 300: 1963 (BS 824: 1961) Density composition tables for aqueous solution of sodium hydroxide.
NZS 393: 1958 (BS 975: 1957) Density composition tables for aqueous solutions of nitric acid.
NZS 394: 1958 (BS 976: 1957) Density composition tables for aqueous solutions of hydrochloric acid.
NZS 500: 1954 (BS 836: 1950) Crude whale oil.
NZS 582: 1954 (BS 974: 1953) Symbols for use on flow diagrams of chemical and petroleum plant.
NZS 585: 1950 (BS 308: 1938) Modified technique of the Chick-Martin test for disinfectants.
NZS 643: 1955 (BS 675: 1953) Sugar flasks.
NZS 978: 1962 (BS 1647: 1961) pH scale.
NZS 979: 1951 (BS 1669: 1950) Industrial perforated plates.
NZS 1031: 1964 (BS 997: 1963) Sperm oil.
NZS 1091: 1958 (BS 579: 1957) Diethyl ether (technical).
NZS 1101: 1952 (BS 1812: 1951) Textile screening cloths.
NZS 1129: 1953 (BS 914: 1952) Quality of laboratory porcelain.
NZS 1134: 1953 (BS 1751: 1952) General purpose glass stopcocks.
NZS 1135: 1963 (BS 1752: 1963) Laboratory sintered or fritted filters.
NZS 1138: 1953 (BS 1796: 1952) Methods for the use of British Standard fine mesh test sieves.
NZS 1198: 1953 (BS 1923: 1953) Glass filter funnels.
NZS 1273: 1955 (BS 2070: 1954) Lunge nitrometers.
NZS 1320: 1964 (BS 2761: 1963) Spherical ground glass joints.
NZS 1354: 1962 (BS 3151: 1959) Corrosion-inhibited ethanediol antifreeze for water-cooled engines. Type B. Sodium benzoate and sodium nitrite inhibited.
NZS 1369: 1962 (BS 2916: 1957) Absorbency test for bibulous paper.
NZS 1377-78 o-Dichlorobenzene, grades A and B—
(BS 2943: 1957) 1377: 1958 o-Dichlorobenzene, grade A.
(BS 2944: 1957) 1378: 1958 o-Dichlorobenzene, grade B.
NZS 1541: 1960 (BS 3020: 1959) Improved inks for letterpress four-colour printing.
NZS 1623: 1961 (BS 2540: 1960) Silica gel for use as desiccant.