Excerpt from The Invisible LodgeHe would not have known that, had he not ot it from the new Tacticians, Messrs. Hahn M¿ller, who teach t e oung officer the Differential Calculus in order that it may not be hard or him in the heat of battle to calculate the right base angle in wheeling and deploying. Even so have I a hundred times wanted to write a book in which to enable the poor-aiming billiard player merely by a few solutions in mechanics and higher mathematics to carom with his eyes shut.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.