Copenetro (or Visible Coins in Glass) is a marketed trick where coins are made to vanish, and then reappear inside a shot glass, covered with an upside-down larger glass, on a display stand.
After a version by Bob Kline was marketed in the United States in 1947 as "Copenetro", Hughes would release three different versions of his original routine in England, including "Visible Coins in Glass".
- "The Coin of Mercury", in Modern Coin Manipulation (1900), page 144 - see figures 85-88, uses a book as platform for the glass and cover.
- "Coin shooter", by H. J. Burlingame, Sphinx (January 1927), uses a book instead of a wood base.
- "Routines and Tips on the Prize Winning COPENETRO", by Bob Kline, 1975.
- ↑ Marketed as: "COPENETRO: The Original Kline Kraft Creation, Miracle Coin Penetration" (cf. original instructions provided with Kline's "Kline Kraft" version of the effect.)
- ↑ "Genii Forums", Jonathan Pendragon, Sept. 30, 2013. Accessed 2015-07-20
- ↑ "Routines and Tips on the Prize Winning COPENETRO", by Bob Kline, 1975 - p. 3.