Meeting of the Miners' Association

Lecture by Mr. R. Dart

Reports of the Judges

LECTURES, &c.- Lecture by Mr. R. N. Worth

Lecture by the Rev. E. L. Berthon, M.A., F.R.A.S.

Lecture by Mr. W. H. Preece, C.E.

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Lecture by the Rev. E. L. Berthon, M.A., F.R.A.S.

Lecture by Mr. J. H. Collins, F.G.S.

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André's Hydraulic Mining Pump

Cowburn's Patent Dead-weight Safety Valve

Root's Patent Rotary Blower

The Best Mining Machinery

Blake's Stone-breaker

The Allen Governor and Throttle Valve

Observations on the Elvan Courses, Greenstones, and Sandstones

of Cornwall

Tilghman's Patent Sand Blast ...

Remarks on Two Cross Sections through Carn Brea Hill and

Lecture on Food and its Adulterations, by J. H. Collins, F.G.S.

Tangye's Hydraulic Workshop Appliances

Quick and Sampson's Patent Pistons.

Meteorology of West Cornwall.

Balance Sheet for 1873.

List of Members, Donors, and Subscribers.

Prize List for 1874.

Catalogue of Exhibition for 1873.

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56

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60

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ERRATUM-P

Royal Cornwall Polytechnic Society.

PATRONESS.

HER MAJESTY THE QUEEN.

VICE-PATRON.

HIS ROYAL HIGHNESS THE PRINCE OF WALES.

PRESIDENT.

A. P. VIVIAN, M.P.

VICE-PRESIDENTS.

W. W. SMYTH, F.R.S.
R. N. FOWLER, M.P.

F. HILL, F.G.S.

COL. TREMAYNE.

JONATHAN RASHLEIGH.
RICHARD TAYLOR, F.G.S.
CHARLES FOX.

SIR F. M. WILLIAMS, BART., M.P.
DR. C. LE NEVE FOSTER.
R. W. FOX, F.R.S.

R. R. BROAD, K.N.L., K.S.M.

TREASURER.

ROBERT M. TWEEDY.

METEOROLOGICAL HONORARY SECRETARY.

W. P. DYMOND, F.M.S.

ART UNION HONORARY SECRETARY.

JOHN ROBERTS, JUN.

SECRETARY.

EDWARD KITTO.

CURATOR.

R. N. WORTH,

CAMBORNE DISTRICT.

G. K. Cartwright.

FALMOUTH AND PENRYN DISTRICT. J. K. Kinsman. Mrs. J. Williams.

W. M. Grylls.

John Hocking.

C. A. Reynolds.

REDRUTH AND GWENNAP DISTRICT.

Rev. S. Rogers, M.A.

Sir F. M. Williams, Bart., M.P.
J. M. Williams.

LIST OF PRESENTS from Societies and Individuals, 1873.

American Journal of Science and Art.

Chemical Society-Journal for 1873.

Duty of Cornish Engines-Lean's Monthly Statements—from T. Lean.

Geologists' Association-Proceedings for 1872-3.

Greenwich Magnetic and Meteorological Observations, 1871— from the Royal Society.

Institution of Mechanical Engineers-Proceedings, 1873.
Liverpool Polytechnic Society-Proceedings, 1873.

Leeds Literary and Philosophical Society-Proceedings, 1873.
Literary and Philosophical Society of Liverpool-Proceedings.
Miners' Association of Cornwall and Devon-Report, 1873.
Photographic Society-Journal for 1873.

Royal Institution of Cornwall-Report, 1873.
Society of Arts-Journal for 1873.

Meteorological Reports and Papers, from the Meteorological
Society, London.

Plymouth Institution-Report and Transactions for 1871-2-3.
Philosophical Society of Glasgow-Proceedings, 1872-3.
Royal Geological Society of Ireland-Journal, 1872-3.
United States Patent Office Reports.

First Book of Mineralogy, by J. H. Collins, F.G.S.-from the
Author.

The National Importance of Scientific Research, by George
Gore, F.R.S.-from the Author.

Royal Scottish Society of Arts-Transactions, vol. viii, part 4.