Excerpt from The Waverley Pictorial Dictionary, Vol. 7: Snail-Zymotic Motion is snail-like (adj or snail-slow (adj if very slow indeed. Actually the common snail has been estimated to move at an average rate of a mile in a fortnight. The striking of a clock is controlled by a part called a snail, or snail-wheel (ii), which has a spiral shape somewhat like that of a snail's shell when viewed from above. The sections are successively farther from the centre on which it turns, and its shape decides the number of strokes. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.