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Early water meter by William Siemens

Early water meter by William Siemens

Water meter

Water meter

Water meter with feed hoses

Water meter with feed hoses

1851

Switch for Vidoson 635

Switch for Vidoson 635

1965

Siemen's polarized double recorder, 1870

Siemen's polarized double recorder, 1870

1870

Agreement, 24 Dec 1881, between Ernst Werner Siemens, Charles William Siemens & Carl Heinrich Siemens [Siemens Brothers] of 12 Queen Anne's Gate, Siemens Brothers & Co. Ltd. of 12 Queen Anne's Gate, and The London and Saint Katharine Docks Company, re the electric lighting of the Royal Albert Dock and maintenance of boilers, engines, machinery, masts, lanterns, lamps. With attached 'plan shewing position of electric lighting poles and engine houses'.

Agreement, 24 Dec 1881

1881