Treatise on the Blasting and Quarrying of Stone

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Slate. — Constituent Substances, 96. — Districts where worked, 97. Irish Slates — Results of Experiments, 97. Sandstones.-chemical Analysis, 97. And Composition, 98. — Mode of using and selecting best description fo...