Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 329
Fig. 415. Fig. 446. of the lower are turned away from him, and that the dis-engfaged arm of the lower horse-shoe is to the left. With theforefinger and thumb of the left hand take hold of the loopof the lower horse-shoe, slide it up the arm of the upperhorse-shoe, at the same time turning it over…
Puzzles
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