Transactions . Scale. 400 feel to 1 Inch FlG 5—Section of Trent Vein. FlG. 7—Section on El Progreso Vein i * «* . - £. I THE MIDLAND INSTITUTE OF MINING, CIVILAND MECHANICAL ENGINEERS. M EC 11A NICAL VENTILATORS. REPORT OF THE COM NUT IKE OF TIIK NORTH OF ENGLAND INSTITUTE OF MINING AND MECHANICAL ENGINEERS, AND THE MIDLAND INSTITUTE OF MINING, CIVIL ANDMECHANICAL ENGINEERS. BY M. WALTON BROWN. LONDON AND NEWCASTLE-UPON-TYNE:ANDREW REID & CO., LTD., PRINTERS AND PUBLISHERS. Rights of Publication or Translation, are reserved. ZM MECHANICAL VENTILATORS—CONTENTS. CONTEXTS. 1. Introductio
Transactions . Scale. 400 feel to 1 Inch FlG 5—Section of Trent Vein. FlG. 7—Section on El Progreso Vein i * «* . - £. I THE MIDLAND INSTITUTE OF MINING, CIVILAND MECHANICAL ENGINEERS. M EC 11A NICAL VENTILATORS. REPORT OF THE COM NUT IKE OF TIIK NORTH OF ENGLAND INSTITUTE OF MINING AND MECHANICAL ENGINEERS, AND THE MIDLAND INSTITUTE OF MINING, CIVIL ANDMECHANICAL ENGINEERS. BY M. WALTON BROWN. LONDON AND NEWCASTLE-UPON-TYNE:ANDREW REID & CO., LTD., PRINTERS AND PUBLISHERS. Rights of Publication or Translation, are reserved. ZM MECHANICAL VENTILATORS—CONTENTS. CONTEXTS. 1. Introduction II. Object, Description and Programme of the Experiments ... (a) Selection of Ventilators ... Table A.—Dimensions of Ventilators tested(J)) Programme of the Experiments (c) Velocity of the Ventilator (d) Resistance of the Mine (e) Experiments (f) Mechanical Efficiency(<j) Costs(li) III. Experiments (a ) 1 description of the Ventilators (1) Cwmaman Colliery (2) Great Western Colliery (3) National Colliery (4) Pelton Colliery (5) Towneley Colliery (6) Wingate Grange Colliery (b) Descripti
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Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1887
