# The Weights and Measures Regulations 1963, Regulation 114


In the case of small portable platform weighing machines for use in the weighing of coal and commonly known as bob-up weighing machines, the counterpoises shall not be threaded on to a pin rigidly attached to one end of the main lever, but shall either be used in a tray or pan suspended from a knife-edge bearing or be placed on a loose shackle.

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Source: https://www.legislation.gov.uk/uksi/1963/1710/regulation/114 (the official version)
Page: https://openlegislation.uk/weights-and-measures-regulations-1963/regulation-114
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.