Electrical discharge mb-code 1150412 ou figures enlumlinees d'histoire naturelle

ou figures enlumlinees d'histoire naturelle du Nord

showing shops with the shop name and trade listed below

A highly stylised depiction of a Tiger head

A large house surrounded by formal gardens leading down to the River Thames where boats pass up and down

Chimpanzees of Bertram Mills circus with children at a Christmas party

Electrical discharge mb-code 1150412 ou figures enlumlinees d'histoire naturelleStudy 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