New Zealand Gazette – 1927 – No. 1

Page 27

✨ Weights and Measures Regulations



Jan. 13.] THE NEW ZEALAND GAZETTE. 27

  1. No avoirdupois weights of 7 lb. or under shall be provided with more than one adjusting-hole. Weights over 7 lb. shall not have more than two adjusting-holes, excepting that adjusting-holes shall not be permitted in—
    (a.) Avoirdupois, troy, or apothecaries’ weights of less than 1 oz. :
    (b.) Decimal grain weights of less than 500 grains.

  2. Troy and apothecaries’ weights of 1 oz. and upwards and decimal grain weights of 500 grains and upwards shall be made of brass, gun-metal, or bronze, and shall be spherical or cylindrical, with handles or knobs.
    Weights below 1 oz. or 500 grains shall be made of brass, gun-metal, bronze, platinum, or aluminium, and may be flat or of wire.

  3. An adjusting-hole in a weight shall—
    (a.) Be in the under surface and not extend to the upper surface :
    (b.) Be undercut, or shaped in such manner as securely to hold the lead adjustment :
    (c.) Have a clear and definite edge :
    (d.) Be plugged with lead which shall—
    (i.) Cover the bottom of the hole to a depth of at least ¹⁄₁₆ in. in weights of 1 oz. to 4 oz. inclusive, and ¹⁄₈ in., or such greater depths as may be necessary to render the adjustment secure, in weights above 4 oz. :
    (ii.) Be firmly and securely set down below the surface of the adjusting-hole, but not so far below such surface as to render stamping difficult or impracticable, or prevent the stamp and date-mark being readily readable :
    (iii.) Have a clean and even surface, free from flakes or layers or a fringe around the walls of the adjusting-hole.

  4. Adjusting-holes in flat-circular iron weights shall be circular and of approximately the following diameters :—
    4 lb. and 2 lb. .. .. .. .. 1 in.
    1 lb. .. .. .. .. ³⁄₄ in.
    8 oz. and 4 oz. .. .. .. .. ¹⁄₂ in.

  5. The adjusting-holes of iron weights of other than flat shape shall be rectangular or circular, and shall not exceed the area of a rectangle of the following approximate dimensions :—

Weight. Length. Width. Approximate Minimum Distance of Lead from Surface when new. Weight. Length. Width. Approximate Minimum Distance of Lead from Surface when new.
56 lb., 50 lb. .. Inch. 2¹⁄₂ Inch. 1¹⁄₄ Inch. 1¹⁄₄ 7 lb., 5 lb. .. Inch. 1 Inch. ¹⁄₂ Inch. ¹⁄₂
28 lb. .. 2 1 1 4 lb., 2 lb. .. ³⁄₄ ¹⁄₂ ¹⁄₂
20 lb. .. 1¹⁄₂ ³⁄₄ ³⁄₄ 1 lb. .. ⁵⁄₈ ¹⁄₂ ¹⁄₂
14 lb., 10 lb. .. 1¹⁄₄ ⁵⁄₈ ⁵⁄₈ 8 oz., 4 oz. .. ¹⁄₂ ⁵⁄₁₆ ¹⁄₄

The adjusting-holes of weights, other than iron weights, shall be circular, and approximately of the following dimensions :—

Weight. Diameter. Depth. Approximate Minimum Distance of Lead from Surface when new. Weight. Diameter. Depth. Approximate Minimum Distance of Lead from Surface when new.
Other than flat shape— Inch. 1¹⁄₂ Inch. 2 Inch. 1 Flat shape— Inch. ³⁄₄ ³⁄₅* ¹⁄₅*
56 lb., 50 lb. 1 1¹⁄₂ ³⁄₄ 4 lb., 2 lb., 1 lb. ¹⁄₂ ³⁄₅* ¹⁄₅*
28 lb., 20 lb., 14 lb. ³⁄₄ 1 ¹⁄₂ 8 oz., 4 oz. .. ¹⁄₄ ³⁄₅* ¹⁄₅*
10 lb., 7 lb., 5lb., 4lb., 2lb. ¹⁄₂ ³⁄₄ ³⁄₈ 2 oz., 1 oz. ..
1 lb., 8 oz. .. ³⁄₈ ⁵⁄₈ ¹⁄₄
4 oz., 2 oz. .. ¹⁄₄ ³⁄₈ ³⁄₁₆
1 oz. ..
  • Of thickness of weight at centre of weight.
  1. Weights shall have their denomination clearly and indelibly cast, stamped, or engraved on the upper surface or side in letters, or figures and letters.


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✨ LLM interpretation of page content

🏭 Regulations under the Weights and Measures Act (continued from previous page)

🏭 Trade, Customs & Industry
10 January 1927
Weights and Measures, Regulations, Verification, Stamping, Inspection