Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 55
Fig. 46, vented from coming off: by an ornamental knob at each end.Round each knob are a number of little bosses.The puzzle is to remove the rings from the rod. No. XXL—The Balls and Chain. … This is somewhat similar in general idea, but the prin-ciple is different. Two wooden balls (see Fig. 47) are here Puzzles Dependent on some Trick or Secret, 35 united by a turned bar, on which they revolve freely. Roundthe bar is an endless chain, too short to be passed over theball at either end.…
Puzzles
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