Electrical discharge Earl Cranbrook Interior of Charing Cross Station

Interior of Charing Cross Station showing trains and the iron roof

View of Lincoln's Inn Old Hall

Front view of the Royal Brunswick Theatre

St Barnabas Chapel

The original Blackfriars Bridge

Electrical discharge Earl Cranbrook Interior of Charing Cross StationStudy of patterns produced by electrical discharges on surfaces revealed by dusting with powdered red lead and sulphur. Sometimes termed 'Lichtenberg figures'. These experiments were conducted at Cragside in Northumberland, England, using a Wimshurst machine (electrostatic generator) and two 10 gallon Leiden jars. Current was conveyed to two rod conductors with a spark gap at which coated wires discs or plates were positioned. Lord Armstrong exhibited