HIS ROYAL HIGHNESS PRINCE ALBERT, Lord Warden of the Stannaries, Chief Steward of the Duchy of Cornwall 22366 THE MINING ALMANACK FOR 1849, BEING A YEARLY COMPENDIUM OF INFORMATION ON GENERAL SCIENCE, WITH TABULAR AND OTHER STATISTICAL DETAILS RELATING TO The Mining Interests of Great Britain. COMPILED AND ARRANGED BY HENRY ENGLISH, MINING ENGINEER, Editor of the " Mining Journal,” &c. &c. LONDON: PUBLISHED AT THE MINING JOURNAL OFFICE, 26, FLEET STREET. 1849. Chief Steward of the Duchy of Cornwall and Devon, &c. &c. MAY IT PLEASE YOUR ROYAL HIGHNESS, IN respectfully dedicating the present volume of the MINING ALMANACK to your Royal Highness, permit me most gratefully to acknowledge the condescension afforded by your august sanction and patronage; while I sincerely trust the utility of the work, and the information collated, will be considered deserving the support with which it is so highly honoured. The bright example thus set by your Royal Highness, in fostering science and upholding the interests of the mining community, cannot but be attended with beneficial results; while it will ever be gratifying to me to reflect on having been the humble instrument of thus contributing towards the advancement of science as associated with mining enterprise. This additional proof of the interest manifested by your Royal Highness in promoting mining operations cannot be too highly appreciated by the miner, as affording an assurance that the welfare of our home mines will be carefully watched over and protected. I have the honour, With every grateful feeling and respect, To subscribe myself, Your Royal Highness's Most obedient, humble servant, HENRY ENGLISH. 25, FLEET STREET, April 16th, 1849. Societies for the promotion of Engi- neering, Mining, & Allied Sciences 47 ib. 88 89 96 Jurisdiction and Practice of the Stannaries Courts. By H. S. Stokes, Esq. 105 On the Utility of a knowledge of Engineering, &c. By P. N. Johnson, On the Application of Geological Science. By T. Sopwith, Esq., F.R.S., &c. 130 On the Duties and Acquirements of Engineers. By E. Hopkins, C.E., F.G.S. 133 On the Newcastle and Durham Coal-Fields. By M. Dunn, Esq., M.E. On the Custom of Tin Bounds. By E. Smirke, Esq. Societies for the Improvement of the Working Miner and Collier. By the Rise and Progress of the Cornish Steam-engine. By James Sims, M.E. On the Structure of the Crystalline Rocks. By E. Hopkins, C.E., F.G.S. On Applying Atmospheric Exhaustion to Mining and Engineering Works. By Benevolent Institutions connected with Mining Industry. By the Editor 190 On the Superficial Production of Gold, Oxide of Tin, &c. By E. Hopkins, On the Utility of a Knowledge of Assaying and Analysis in the Treatment of Metallic Ores in the Smelting Process. By P. N. Johnson, F.R.S., F.G.S., &c. 197 Explosions of Fire-Damp connected with Falls in the Barometer. By Professor On the General Character of the Crystalline Rocks called "Primary." By On Tin Ores and Black Tin. By P. N. Johnson, F.R.S., F.G.S., &c. On Gold Deposits and Washings. By José E. Cliffe, M.D., F.G.S. On Iron in the form of Wire, as a Substitute for Hemp. By the Editor Improvements in Generating Steam and Evaporating Fluids. By the Editor 231 |