Items

• [D8239ZCE], Report from John Hopkinson to Edison Electric Light Co Ltd, June 7th, 1882
  1882-06-07
• [D8239ZEJ], Letter from John Hopkinson to Edison Electric Light Co Ltd, September 15th, 1882
  1882-09-15
• [D8239ZEX], Report from John Hopkinson, September 9th, 1882
  1882-09-09
• [D8239ZFI], Letter from John Hopkinson to Edison Electric Light Co Ltd, September 30th, 1882
  1882-09-30
• [D8248R], Letter from John Hopkinson to Edward Hibberd Johnson, February 24th, 1882
  1882-02-24
• [D8248S], Memorandum, John Hopkinson, February 24th, 1882
  1882-02-24
• [D8248T], Patent Issued, John Hopkinson, June 21st, 1879
  1879-06-21
• [D8248U], Patent Issued, John Hopkinson, November 14th, 1879
  1879-11-14
• [D8248V], Patent Issued, John Hopkinson, July 7th, 1881
  1881-07-07
• [D8248ZAV], Letter from John Hopkinson to Edward Hibberd Johnson, May 24th, 1882
  1882-05-24
• [D8248ZAW], Memorandum, John Hopkinson, May 24th, 1882
  1882-05-24
• [D8370ZEA] Patent Application, 1883-1884
  1883-1884
• [LM001189B], Telegram from John Hopkinson, Edward Hibberd Johnson to Thomas Alva Edison, April 12th, 1882
  1882-04-12
• [MB095], Letter from John Hopkinson to Charles Batchelor, September 28th, 1883
  1883-09-28
• [SM006059a], Clipping, John Hopkinson, Philosophical Transactions of the Royal Society, 1878
  1878-00-00
• [SM015010a], Clipping, John Hopkinson, May 15th, 1880
  1880-05-15
• [SM015033a], Clipping, John Hopkinson, Engineering, May 28th, 1880
  1880-05-28
• [SM025096a], Clipping, John Hopkinson, Engineering, August 8th, 1879
  1879-08-08
• [X098F04], Report from John Hopkinson, John Ambrose Fleming, July 1882
  1882-07-00