Rudimentary Treatise on the Blasting and Quarrying of Stone

Book excerpt: Excerpt from Rudimentary Treatise on the Blasting and Quarrying of Stone: For Building and Other Purposes The Pownxa and ran charge 17 Strength of Powder used, 17 - Table of Comparative Results of dif fetcht Qualities of Powder, 18.-the Eprouvette Gun, 19. - Table of Experiments on Powder by Bursting of Spherical Case Shells, m. - Advantages of Using Superior Powder, 2l.-mixture of Saw dust with Powder, 22. - Leaving an Air-space adjoining the Charge, 23. - Mixing Quicklime with the Powder, 24. - Mode of operating on the Hard Limestone of Gibraltar, 25. 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.