Electrical discharge Size:L: 80 x 60cm The building is open to

The building is open to the sky and the ground is covered with rubble

a large board containing fairy lamps plummets towards the new Lord Mayor

Attempts had been made at the beginning of the 1880s but had come to nothing

View of Somerset House on the Strand and the Adelphi beyond

Interior of Coopers' Hall with representation of the drawing of the lottery

Electrical discharge Size:L: 80 x 60cm The building is open toStudy 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