# The Weights and Measures Regulations 1963, Part IV: SPRING BALANCES


Capacity of spring balance
Error in excess or in deficiency when fully loaded
Upon passing as fit for use for trade
In relation to the obliteration of stamps
1 pound
30 grains
60 grains
2 pounds
1½ drams
3 drams
3 pounds
1½ drams
3 drams
4 pounds
2 drams
4 drams
5 pounds
2½ drams
5 drams
6 pounds
2½ drams
5 drams
7 pounds
3 drams
6 drams
10 pounds
3½ drams
7 drams
11 pounds
3½ drams
7 drams
12 pounds
4 drams
8 drams
13 pounds
4 drams
8 drams
14 pounds
4½ drams
9 drams
15 pounds
4½ drams
9 drams
20 pounds
5 drams
10 drams
21 pounds
5 drams
10 drams
22 pounds
5 drams
10 drams
23 pounds
5½ drams
11 drams
24 pounds
5½ drams
11 drams
25 pounds
5½ drams
11 drams
26 pounds
5½ drams
11 drams
27 pounds
6 drams
12 drams
28 pounds
6 drams
12 drams
29 pounds
6 drams
12 drams
30 pounds
6 drams
12 drams
40 pounds and above
The weight corresponding to ¼ of the interval between consecutive graduations
The weight corresponding to ½of the interval between consecutive graduations

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Source: https://www.legislation.gov.uk/uksi/1963/1710/schedule/2/part/IV (the official version)
Page: https://openlegislation.uk/weights-and-measures-regulations-1963/schedule-2/part-IV
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.