Extract from The London Gazette of Friday, July 10, 1903 [Atkinson-Schattner maximum-demand indicator]

Presents a facsimile of notice by the London Board of Trade approving the use of the Atkinson-Schattner maximum-demand indicator, wherein it states: For the purposes of the Electric Lighting Acts, 1882 and 1888, and of the Electric Lighting (Scotland) Act, 1890, and all Provisional Orders and Licences made and issued thereunder, the Board of Trade approve of the pattern and construction of the indicator (hereinafter described) for the measurement of electrical quantity when supplied on the constant potential continuous or alternating current system, namely: The Atkinson Schattner Maximum Demand Indicator deposited at the Board of Trade on the 3rd of June, 1903.