Publisher's Synopsis
Excerpt from Anales de la Sociedad Cient�fica Argentina, Vol. 8: Segundo Semestre de 1879
Cristales amarillos hasta parduzcos (tablas chicas, formadas de la base cuadr�tica con una pir�mide y el prisma cuadr�tico). 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.