Excerpt from Tyro's Spyglass, Arithmetic Lexicon, and School Teacher's Assistant: Consisting of Very Important Arithmetical Problems, and of the Solution of All the Most Intricate Questions to Be Found in All Works on Arithmetic This work is an indispensable for those to whom it is dedi osted, and a complete key to the different works on arithmetic. 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.