# The Miscellaneous Mines Order 1956, Paragraph 53


(1) Every steam boiler at a mine shall be provided with—
(a) a steam gauge and a water gauge to show respectively the pressure of steam and the height of water in each boiler; and
(b) unless it is externally fired, a suitable fusible plug or an efficient low water alarm device.
(2) This regulation shall not apply to economisers or superheaters.

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Source: https://www.legislation.gov.uk/uksi/1956/1778/schedule/FIRST/paragraph/53 (the official version)
Page: https://openlegislation.uk/miscellaneous-mines-order-1956/schedule-FIRST/paragraph-53
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.