Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 85
urface.After you have tapped for a minute or two, the wooden discwill begin to work itself out, and a little later will drop outaltogether, releasing the coin. No. XXIX.—The Aratai Gun. Solution. This is on the same principle as the Lighthouse puzzledescribed on pp. 35, 60—viz., the fixing of the… … Fig. 88. into the other, d (see Fig. 88). Having separated them,remove the trunnion /, and through the hole thus leftthrust the pin e, moving a round until the pin finds a deeperhole (in an inner core), into which it sinks. The corebeing now held fast, the portion a may be unscrewed from c,and the…
Puzzles
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