Copies of the standard specification are available from the
Standards Association of New Zealand, New Zealand Display
Centre Building, Sturdee Street (or Private Bag), Wellington.
An additional 20c service charge is made on all mail orders.
Dated at Wellington this 24th day of November 1971.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 2–114/2/2: 415)

The Standards Act 1965—Amendment of Standard Specification

PURSUANT to section 23 of the Standards Act 1965, the
Standards Council, on 17 November 1971, amended the under-
mentioned standard specification by the incorporation of the
amendment shown hereunder:

Number, Title, and Price of Standard
Specification
NZS GP50: 1967 Automatic fire alarm systems. 50c No. 2
Copies of the standard specification so amended are avail-
able from the Standards Association of New Zealand, New
Zealand Display Centre Building, Sturdee Street (or Private
Bag), Wellington. An additional 20c service charge is made
on all mail orders.
Copies of the amendment will be supplied, free of charge,
upon request.

Dated at Wellington this 24th day of November 1971.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 3–114/2/3: 638)

The Standards Act 1965—Amendment of Standard
Specifications

PURSUANT to section 23 of the Standards Act 1965, the
Standards Council, on 26 November 1971, amended the under-
mentioned standard specifications by the incorporation of the
amendments shown hereunder:

Number, Title, and Price of Standard
Specification
NZS 1446: 1969 (BS 3100: 1967) Steel castings for
general engineering purposes. $3.29 1/731
NZS 2200: 1967 (BS 4035: 1966) Linear measuring
instruments for use on building and civil engineer-
ing constructional works. 79c. 1/725

Copies of the standard specifications so amended are avail-
able from the Standards Association of New Zealand, New
Zealand Display Centre Building, Sturdee Street (or Private
Bag), Wellington. An additional 20c service charge is made
on all mail orders.

Copies of the amendments will be supplied, free of charge,
upon request.

Dated at Wellington this 29th day of November 1971.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 4–114/2/3: 639–40)

The Standards Act 1965—Standard Specification Revoked

PURSUANT to section 23 of the Standards Act 1965, the
Standards Council, on 17 November 1971, revoked the under-
mentioned standard specification:

Number and Title of Standard Specification
NZS 1591: 1960 (BS 1552: 1949) Control plug cocks for low
pressure gas. (Superseded by NZS 7331.)

Dated at Wellington this 24th day of November 1971.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 5–114/2/7: 399)

The Standards Act 1965—Amendment of Standard
Recommendation

PURSUANT to section 17 of the Standards Act 1965, the
Standards Council, on 26 November 1971, amended the under-
mentioned standard recommendation by the incorporation of
the amendment shown hereunder:

Number, Title, and Price of Standard Recommendation
NZSR 36: 1968 (BS 308: 1964) Engineering drawing practice. $5.30

Copies of the amended standard recommendation are avail-
able from the Standards Association of New Zealand, New
Zealand Display Centre Building, Sturdee Street (or Private
Bag), Wellington. An additional 20c service charge is made on
all mail orders.

Copies of the amendment will be supplied, free of charge,
upon request.

Dated at Wellington this 29th day of November 1971.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 6–114/2/4: 60)

The Standards Act 1965—Amendment of NZSI Code of
Recommended Practice

PURSUANT to the provisions of the Standards Act 1965, the
Standards Council, on 26 November 1971, amended the under-
mentioned New Zealand Standards Institute code of recom-
mended practice, by the incorporation of the amendment
shown hereunder:

Number, Title, and Price of Code of Recommended Practice
CP 31: 1960 (BSI/CP 143: Part 4: 1960) Sheet roof and wall coverings. Copper. $1.85 2/556

The amended code of recommended practice is available
from the Standards Association of New Zealand, New Zealand
Display Centre Building (or Private Bag), Wellington. An
additional 20c service charge is made on all mail orders.

Copies of the amendment will be supplied, free of charge,
upon request.

Dated at Wellington this 29th day of November 1971.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 7–114/2/4: 59)

The Standards Act 1965—Overseas Specifications Endorsed as
Suitable for Use in New Zealand

PURSUANT to section 17 of the Standards Act 1965, the
Standards Council, on 26 November 1971, endorsed the under-
mentioned overseas specifications as suitable for use in New
Zealand:

Price of
Number and Title of Specification Copy
British Standards
BS 787: Mining type flameproof gate-end boxes—
Part 3: 1971 Gate-end boxes with lighting transformers 1.59
BS 3939: Graphical symbols for electrical power, telecommunications, and electronics diagrams—
Section 23: 1970 Microwave transmission lines 1.59
Section 24: 1970 Aerials and radio stations 1.59
Section 25: 1970 Frequency spectrum diagrams 1.32
BS 4161: Gas meters—
Part 6: 1971 Rotary displacement and turbine meters for gas pressures up to 100 bars 1.59
BS 4667: Breathing apparatus—
Part 1: 1971 Closed-circuit breathing apparatus.
Metric and imperial units 1.59
BS 4673: 1971 150A flameproof restrained plugs and sockets for voltages not exceeding 650 volts, primarily for use in mining. Metric units 1.32