Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 163
ou have left only the two uprights, ij, supportingthe two remaining semi-circles, h, I. To reconstruct the Mystery, insert the pieces in the re-verse order, remembering to begin with the only two straightpieces that are exactly alike (i,j), holding them upright, theone behind the other. Insert a… … Fig. 331. * It will be found a great assistance, in attempting to solve one of themore difficult puzzles of the Cluster class for the first time, beforetaking it to pieces, to make pencil marks here and there to show which Key to Dissected or Combination Ptizzles. 143 steps) tip on end, and beside…
Puzzles
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