COMMITTEE.
Chairman-The Right Hon. the LORD CHANCELLOR.
Vice Chairman-The Rt. Hon. Sir HENRY PARNELL, Bart., M.P:

Treasurer-WILLIAM TOOKE, Esq., M.P., F.R.S.
W. Allen, Esq., F.R. & R.A.S. J. Fred. Daniell, Esq., F.R.S. Rowland Hill, Esq., F.R.A.S. W. H. Ord, Esq., M.P.
Rt. Hon Visc. Althorp, M.P. The Rt. Hon. the Lord Chief Edwin Hill, Esq.

Dr. Roget, Sec. R.S.P.R.A.S. Chancellor of the Exche Justice Denman.

David Jardine, Esq., A.M. Re, Hon. Ld. J, Russell, M.P. quer. Lt. Drummond.R.E., F.R.A.S. Henry B. Ker, Esq.

Sir M... Shee. P.R.A., F.R.S. W.B. Baring, Esq., M.P. Rt. Hon. Vis. Ebrington, M.P.Th, Hewitt Key, Esq., A.M. Rey. Richard Sheepshanks, Capt. F. Beaufort, R.N., F.R.T.F.Ellis, Esq.,M.A.F.R.A.S.J.G.S. Lefevre, Esq.

M.A. and R.A.S., Hydrographer to John Elliotson, M.D., F.R.S. George C. Lewis, Esq., M. A. J. Smith, Esq., M.P. the Admiralty.

Thomas Falconer, Esq. James Loch, Esq., M.P., F.G.S. John Taylor, Esq., F.R.S. Sir C. Bell, P.R.S. L. & E. I. L. Goldsmid, Esq., F.R. and George Long, Esq., A.M. Dr. A. T. Thomson, F.L.S. G. Burrows, M.D.

R.A.S.

J. W. Lubbock, Esq.,F.R.,R.A.N. A. Vigors, Esq.,M.P., F.R.S. C. Hay Cameron, Esq. B. Gompertz, Esq., 'F.R, & and L.S.S.

John Ward, Esq. The Rt. Rev. the Bishop of R.A.S.

H. Malden, Esq., A.M. H, Waymouth, Esq. Chichester, D.D.

G. B. Greenough, Esq., F.R. & A. T. Malkin, Esq., M.A. J.Whishaw, Esq.,M.A.,F.R.S. William Coulson, Esq.

L.S.

James Manning, Esq. John Wrottesley, Esq., M.A. R. D. Craig, Esq.

H. Hallam, Esq., F.R.S., M.A. J.Herman Merivale, Esq.,F.A.S. F.RA.S.
Wm. Crawford, Esq.

M. D. Hill, Esq., M.P. |James Mill, Esq.
THOMAS COATES, Secretary, No. 59, Lincoln's Inn Fields,

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W.W.Currie, Esq. Chayman. G. Wightwick, Esq.
William Gribble, Esq.
Dr. Thackery.

J. Mulleneux, Esq., Treas.

Presteign-Dr. A. W. Davis, Bilaton-Rev. W. Leigh,

Rev. Mr. Thorp.
Rev. W. Shepherd.

M.D.
Birmingham.-Rev. John Cor - Wardell, Esq.

J. Ashton Yates, Esq.

Rippon-Rev, H. P. Hamilton, rie, F.R.S., Chairman. - Wedge, Esq;

Ludlotc-T. A. Knighi, Esq., A.M., F.R.S., and G.S. Paul Moon James, Esq., Chichester-Dr. Forbes, F.R.S. P.H.S.

Rev. P. Ewart, M.A.
Treasurer.
Dr. Sanden

Maidenhead-R.Goolden, Esq., Ruthen-Rev. the Warden of, Jos. Parkes, Esq. Hon. C.C. Dendy, Esq.

F.L.S.

Humphreys Jones, Esq. W. Redfern, Esq. Secs. Corf-John Crawford, Esq. Maidstone

Ryde, Isle of WightBonn-Leonard Horner, Esq. Mr. Plato Petrides

Clement T. Smythe, Esq.

Sir Rd. Simeon, Bart., M.P. F.R.S.L. & E. Coventry-Ar. Gregory, Esq. John Case, Esq.

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Esq.

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Esq., M.P. J. Reynolds, Esq., Treas. John Cole, Esq.

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T. w. Winstanley, Esq., si. Asapli>Rev. Geo. Strong

J. Nicholetts, Esq. Sec.

Licut.-Col C. Hamilton Hon. Sec. Bury St. Edmunds-B. Bevan, Smith, F.R.S.

Sir G. Philips, Bart., M.P. Stockport-Henry Marsland, Exq. Etrurin-Joseph Wedgwood, Merthyr Tydvil–J. J. Guest,

Esq.. Treasurer Calcutta-Lord Wm. Bentinck Esq.

Esq.M.P.

Henry Coppock, Esq., Sec. Sir Edward Ryan

Eseter-Rev. J. P. Jones. Minchinhampton-John Ball, Taristock-Rev. W. Evans. James Young, Esq. J. Tyrrell, E9.

Esq.

John Rundle, Esq. Cambridge-Rev. James Bow

John Milford, Esq.(Coaver.) Monmouth-J. H. Moggridge, Tunbridge Wells-Dr. Yeats, stead, M.A. Glasgou-K. Finlay, Esq.

Esq.

M.D. Rev. Pror. Henslow, M.A., Professor Mylne.

Neath-John Rowland, Esq.

Warwick-Dr. Conolly.
F.L.S. & G.S.
Alexander McGrigor, Esq. Newcastle-James Losh, Esq.

The Rev. W. Field, (Lean) Rev. Leonard Jenyns, M.A., Charles Tennant, Esg.

Rev. W. Turner.

IVaterford-Sir John Newport, F.L.S. James Cowper, Esq. Nerport, Isle of Wight

Bart., M.P. Rev. John Lodge, M.A. Mr. T. Atkinson, Hon. Sec. Ab. Clarke, E.

Wolverhampton – J. Pearson, R. W. Rothman, Esq., M.An Glamorganshire

T. Cooke, Jun., Esq.

Esq.
F.R.A.S. & G.S.
Dr. Malkin, Cowbridge. R. G. Kirkpatrick, Esq.

Worcester-Dr. Corbet, M.D.
Rev. Geo. Peacock, M.A., Rev. B. R. Paul, Laniwit. Newport Pagnell - J. Millar, Dr. Hastings, M.D.
E.R.S. & G.S.
W. Williams, Esq., Aber-

C. I. Hebb, Eng. Rev. l'rof. Sedgwick, M.A., pergwm.

Noclown, Montgomeryshire

Wresham-Tbomas Edgworth, F.R.S. G.S. Gloucester William Pugh, Esq.

Esq. Professor Smyth, M.A. Samuel Bowley, Esq. Nortcich-Right Hon. Lord

J. E. Bowman, Esq., F.L.S. Res. C. Tbirlwall, M.A. Guernsey-Chas. Lukis, Esq. Suthela.

Treasurer Res, Geo. Waddington, M.A. Holyrcell-The Rev. J. Black Rich. Bacon, Esq.

Major William Lloyd. Canterbury. -Alex.B. Higgins, wall.

Oxford-Dr. Daubens, F.R.S., Yarmouth - C. E. Kumibold,
Esq.
Hull-J. C. Parker, Esq.

Professor of Chemistry.

Esq., M.P.
John Brent, Esq.
Keighley, Yorkshire -Rev. T. Rev. Professor l'owell.

Dawson Turner, Esq.
Dr.Ilarry Wm. Carter,M.D., Dury, M.A.

Rer, John Jordan, B.A. York-kev. J. Kenrick, A.M. P.R.S.E.

Launceston--Rev. J. Barfitt. Rev. R. Walker, M.A., F.R.S. John Wood, Esq., M.P. William Masters, Esq. Leamington Spa-Dr. Loudon, E. W. Herud, Exq., M.A. Canton-J.F.Davis, Esq.F.R.S. M.D.

W, R. Browne, Esq., M.A.

LIBRARY OF USEFUL KNOWLEDGE,

LIVES

OF

EMINENT PERSONS;

CONSISTING OF

GALILEO,

LORD SOMERS,
KEPLER,

CAXTON,
NEWTON,

BLAKE,
MAHOMET,

ADAM SMITH,
WOLSEY,

NIEBUHR,
SIR E, COKE,

SIR Ç. WREN, AND
MICHAEL ANGELO.

PUBLISHED UNDER THE SUPERINTENDENCE OF THE SOCIETY FOR

THE DIFFUSION OF USEFUL KNOWLEDGE.

LONDON:

BALDWIN AND CRADOCK, PATERNOSTER-ROW.

MDCCCXXXIII.

LONDON: Printed by WILLIAM CLOWES,

Duke-street, Lambeth,

INDEX AND SUMMARY,

1

LIFE OF GALILEO,

Pag

ib,

.

now lost

Page COMPARISON of the methods of the an Remarks on a new star in Cassiopæia, in cients and the moderns with respect to

1572

16 philosophical discoveries

1 Third appointment of Galileo to the proDefinition of the logic of the middle ages ib. fessorship at Padua in 1606; and imBacon and Galileo compared

2 mense number of auditors at his lecGalileo, his birth and parentage (1564) 3 tures

ib. - was not illegitimate, as generally Sector, that instrument invented by Galileo ib. supposed

ib. Gunter's scale, and the proportional comhis father was a man of learning ib. pass, remarks on

17 exhibits proofs of early talent Galileo's observations on the loadstone, 17, 18 constructs models of machinery ib.

account of his writings that are studies music and drawing

18, 19 sent to the University of Pisa in Telescope, concerning the discovery of, by 1581 ib. Galileo

20, 26 was disgusted with the Aristote

Porta's claim to the invention of, 20,21 lian philosophy

5

Roger Bacon's claim to the inswinging of a lamp, in the ca vention of

22 thedral of Pisa, first led him to the

claim by a Dutchman

23 consideration of the vibrations of pen Spectacles, antiquity of

20 dulums

ib. Microscopes constructed by Galileo 25 Forms of pendulums used by plıysicians Galileo discovers the satellites of Jupiter 26 in the time of Galileo

ib.

publishes the Nuncius Siderius, State of mathematical knowledge at that or, Intelligences of the Stars

26 period .

6 * Kepler's astonishment on hearing that Galileo appointed professor of mathe there were more than six planets; and

matics at Pisa, in 1589, when only 25 his demonstration that they could not
years of age
ib. exceed that number.

27
adopts the Copernican system of Comparison between theory and experi-
astronomy
7,8 ment

ib. Bruno burnt at Rome in the year 1600, Fantastical'hypotheses of Huygens, Sizzi,

for attacking the philosophy of his time 8 and others, concerning the probable Galileo, his experiments on the fall of number of planets and satellites bodies

9 Galileo's opinion respecting judicial astro. appointed professor of mathema logy

29 tics at Padua in 1592

10 Disputes to which the discovery of the rapid diffusion of his writings ib. satellites gave rise

his re-invention of the thermo Galileo was the first who conceived that meter

ib. the longitude might be discovered by his thermometer described 11 means of the eclipses of Jupiter's satel. his thermometer improved by lites

32 Leopold de' Medici and others 11

his observations on the moon 33 State of astronomy in the time of Ga.

on Saturn 34, 35 lileo

11-14

curious anagrams under which Astrological origin of the Saxon names he veiled his discoveries

34, 35 of the days of the week

11, 12 Huygens discovers Saturn's ring in Diagram, explanatory of 12 1656

33 Delambre's mistaken preference of Kepler Herschel's subsequent discovery that, to Galileo

14 although apparently single, Saturn's Friendly correspondence between Galileo ring is composed of two concentrate and Kepler

15 rings, revolving round the planet 35 Re-election of Galileo to the professorship Galileo observes the crescent appearance of Padua ib. of Venus

ib. Remarks on the appearance of a new star

resigns his professorship, and rein Serpentarius, in 1604 16 turns to Florence

36

.

28, 29

30, 3!

Recr. 9-19-28

.

LIFE OF KEPLER.