Double sided Stroboscopic disc by Professor Stampfer, No 3 gearwheels with anvil on one side, No 4 cogwheels on the otherside. Published by James Black, Woolwich, sold by Charles Tilt, Fleet Street, London. Gearwheels with Anvil / Cogwheels circa 1833
Four discs for Stroboscope or Fantascope of miscellaneous origin. These were originally included in the thirteen Discs referring to the Stampfer Stroboscope (Inv. No.1940-13), later identified as being published by other designers. Four discs for Stroboscope or Fantascope of miscellaneous origin