Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 67
Fig. 63. open it, the blades being unprovided with the customarynotch for the nail, or, apparently, any substitute for it. No. XLV.—The Double Barrel and Ring*. This (see Fig. 69) has a superficial resemblance to theBalls and Chain (No. XXI.), but is wholly different inprinciple. It consists of a… … a turned ball at each end, not revolving, but secured firmlyto it. On the stem slides an ebony ring, which it is theobject of the puzzle to remove. No. XLVL—The Wedding-ring* Box.
Puzzles
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-225-83.webp)
