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Chairman-The Right Hon. LORD BROUGHAM, F.R.S., Memb. Nat. Inst, of France,
Vice-Chairman—The Right Hon. Lord J. RUSSELL, M.P.
Treasurer-WILLIAM TOOKE, Esq., M.P., F.R.S.
house, Bart, M.P.
Rt. Hon. Lord Nugent.
David Jardine, Esq., M.A.
W. H. Ord, Esq. M.P.
The Right Hon. Sir H. Parnell, G. Burrows, M.D.
Sir Henry Ellis, P.R.S., Prin. The Rt. Hon, the Earl of Kerry, Bart., M.P. J. B. Carter, Esq. M.P.
Lib. Brit. Mus.
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THE THEORY OF PROJECTION, SO FAR AS IT IS
AUXILIARY TO GEOMETRY;
WITH AN ACCOUNT OF THE
PLANE SECTIONS OF THE CONE AND CYLINDER,
IN WHICH CEPTAIN GENERAL PROPERTIES OF THE CONIC SECTIONS
DEMONSTRATED BY HELP OF THE FOREGOING THEORY,
PUBLISHED. UNDER THE SUPERINTENDENCE OF THE SOCIETY
FOR THE DIFFUSION OF USEFUL KNOWLEDGE,
Chairman--H. BROUGHAM, Esq., F.R.S., M.P. Vice Chairman--LORD JOHN RUSSELL, M.P.
Treasurer-WILLIAM TOOKE, Esq., F.R.S.
Rt. Hon. J. Abercrombie.
B. Gompertz, Esq., F.R.S.
James Mill, Esq.
Ashburton-J. F. Kingston, Esq.
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L. & E. Paul Moon James, Esq., Treasurer.
Francis Jeffrey, Esq. Joseph Parkes, Esq. Į Honorary
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Rev. A Thomson, D.D.
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D. Bannatyne, Esq.
Professor Mylne. Henry Malden, Esq., M.A.
Alexander McGrigor, Esq. Fred. Malkin, Esq., M.A.
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Leeds-Benjamin Gott, Esq. Professor Smyth, M.A.
J. Marshall, Jun., Esq. Rev. C. Thirlwall, M.A.
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Liverpool Local Association. Wm. Strutt, Esq.
Dr. Traill, Chairman. Devonport-Major J. Hamilton Smith, J. Mulleneux, Esq., Treasurer. F.R. and L.S.
Rev. W. Shepherd. Dublin-Hon. Thos. Vesey.
J. Ashton Yates, Esq. Edinburgh-R. Greville, LL.D.
Maidenhead-R. Goolden, Esq., F.L.S.
Manchester Local Association.
G. W. Wood, Esq., Chairman.
Sir Geo. Philips, Bart., M.P.
T. Cooke, Jun. Esq.
R. G. Kirkpatrick, Esq.
G. Grant, Esq.
Rev. Dr. Inman, Nav. Col.
John Rundle, Esq.
Dr. Hastings, M.D.
THOMAS COATES, Secretary, 4, South Square, Gray's Inn.
London : Printed by WILLIAM CLOWES, Stamford Street.
Section 1. First properties of the circle
3. Rectangles under the segments of chords
4. Regular polygons, and approximation to the area of the circle
5. The circle a maximum of area, and a minimum of perimeter
Section 1. Of lines, perpendicular, or inclined, or parallel, to planes
2. Of planes which are parallel, or inclined, or perpendicular, to other
3. Of solids contained by planes
Section 1. Surfaces and contents of the right cylinder and right cone
2. Surface and content of the sphere
Section 1. Of great and small circles of the sphere
3. Of equal portions of spherical surface, and the measure of solid angles 194
Part I. Of projection, by lines diverging, and by lines parallel
II. Of the plane sections of the right cone, or conic sections
III. Plane sections of the oblique cone, of the right cylinder, and of the