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Diagrams of magnets, magnetic fields, iron filings, etc. Copperplate engraving by Wilson Lowry from Abraham Rees Cyclopedia or Universal Dictionary of Arts, Sciences and Literature, Longman, Hurst
Electrical configurations, 18th centuryElectrical configurations caused by charges on metal powder, 18th century. Copperplate engraving by Wilson Lowry from Abraham Rees Cyclopedia or Universal Dictionary of Arts, Sciences and Literature
The Ring MagnetThe front cover of " The Sphere" magazine, 16 April 1927, featuring the latest innovation in eye-care. Factory workers suffering from metal filings flicked in to their eye can now have them
O Lord O Lord! I can not - I never shall remember?O Lord O Lord! I can not - I never shall remember all these cursed conversions, filings, marches, counter marches and wheelings
