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THE TWENTIETH

ANNUAL REPORT

OF THE

ROYAL CORNWALL

POLYTECHNIC SOCIETY.

1:8:5:2.7

MON ORONY

FALMOUTH :
SOLD BY MRS. TRATHAN, MARKET-STRAND.
SIMPKIN AND MARSHALL, STATIONERS' HALL COURT
AND J. WEALE, HIGH HOLBORN,

LONDON.

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CONTENTS.

PAGE

List of Officers

V.

Annual General Meeting

VIII.

List of Books presented to the Society, 1852.

X.

Committee's Report......

XI.

Annual Exhibition

XV.

Report of the Judges in the Mechanical department

XV.

Prizes awarded in the Mechanical department

XVI.

Report of the Judges & list of Prizes in the Fine Arts department. XVII.

Judges' Report & List of Prizes in the Nat. History department. XVIII.

Judges' Report and list of Prizes in the department for Naval

Architecture

XIX.

Report and Prizes in the Statistical department...

XX.

Lists of Prizes for School productions and Fancy Work.

XXI.

Evening Conversational Meeting.

XXII.

Proceedings on the second day of the Exhibition..

XXIV.

Proceedings on the third and fourth days of the Exhibition. XXXI.

Contributions to the Falmouth Fauna, by, W. P. Çocks, Esq.

1

Observations on the Harvest in the Fast part of Çoravall

, from the year

1816 to 1852, by Jonathan Couch, Ešą., F.L.S.g&ë.:

Observations on the Skeleton of a Porpoise, by J.Couch, Esq., F.L.S., &c. 75

An Essay on the China-stone and China-clays of Cornwall

, with a description,

&c., &c., by Mr. H. M. Stocker, of St. Austell....

77

Description of Instrument for, boring holes ir Granite, &c., by Mr. J.

Tresidder, Gwennap

97

Improved Screw Propeller, by Alexander Moore, Esq., H.M. Dock Yard,

Devonport

98

Portable Sketching Easel, by Mr. F. W. Harvey, Oxford..

100

Improved Whim, by Mr. J. Maynard, Miner, Illogan

101

Improved Miners' Quadrant, by Mr. W. Wilton, St. Day

101

Improved Refrigerator, by Mr. J. Wilkins, Hayle .

102

Improved Lock for Sliding Pannels and Doors, by Mr. J. Lidstone,

Devonport

102

Description of an Instrument for Copying, Enlarging, and Reducing

Drawings, by Mr. S. Treweeke, Halse-Town ...

104

Talc Water-gauge for Steam Boiler, by Mr. J. Goodfellow, Devonport... 106

Improved Pen-holder, by Mr. J. Goodfellow, Devonport

107

Perpetual Almanac, by John Oram, Esq., Devonport

108

Meteorological Register kept at Helston, for 1852, by M. P. Moyle, Esq. . 109

Meteorological Register kept at Falmouth, for 1852, by Lovell Squire, Esq. 113

Meteorological Register kept at Bodmin, for 1852, by Capt. Liddell, R.N. 114

Meteorological Register kept at Devonport, for 1852, by J. Lancaster, Esq. 115

Treasurer's Account for 1852

116

List of Members and Annual Subscribers

117

Subscriptions from Mines..

122

ERRATA.

Page xxii., line 2, for? Ducca".sead Decca.''

XXIV., 5th line from the bottom of the page, omit the s in “ advantages.”

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