Star.
London, England, 1806-05-20 00:00:00

GREGORY', MECHANICS.

Is two large OCtavo Volumes, betides a Volume containing
Flfty.fitse Quarto Plates.
This day wu publilbed. price al 16s. in boards,
A TREATISE of MECHANICS, Theoretical,
Praetical and Defcriptive.
By OLINTHUS GREGORY,
Of the Royal Military Academy, Woolwich.
VoL I. Book t. 011 S f ATICI, comprifing this Compofition and
Refolution of Forces, the Centre of Gravity, and the Centrubaryc
Method, Mechanical Powers. &ranch, and Suers of Materials,
and the Theory of Cords, Arches, and Domes.

Book Z. DYNAMICS, in WiliCh 'art treated Motions, Defeent a
and Afcents Wong different Linn and Curves, Projedtilev, Rlocht t
firing, Pendulums, Central tomes, Centres of Ofeillatton, Sponta
MOW Rotation, &c. Don Juan's Theory of Percullion, and the
ttao•loo Of Machines, and their maximum lefts.

Book 3. HTDAUSTATICI, including the preffure of non clinic
Fluids, the (pacific Gravity of (slid and fluid Bodies. with an ex.
tenfive Table, the Equ 4hrium, Stability, and Ofciltstiooa of float-
ing Bodies, and capillary Attraction.
Book 4. Hy oitos.smics. treating of the difeharge of fluids
through Apertures. and of the motion of Water wheels, with se-
coons of important Experiments on thole interefting Topics.
Book S. PN IMA TICS, Including the Equilibrium and Motion
of Air, and other Male Fluids. the meaturement of Altitudes by
the Barometer and Thermometer. the Theory of Air aud of Wa-
ter Pumps, and the Refinance at Fluids.
Volume II contains Remarks on the Nature, Connru,lion, and
Simplification of Machinery. on Friction, and the Rigidity of
Cords, Firft Movers, &c. with Tabas and Defcriptious of nearly
200 curious and ufeful Machines...of which, however, only a few
can be (pacified in an Advertifensent.
Atwood's Ingenious Apparatus for variable Motions. •
Improved Beam Compares, by Walton.
Peony's Coarksfer of Forces, applicable to Windmills.
Cranes by Gottlieb, Andrews, Hall, Wyte, Hardie. la.
Hydraulic Engines; I. e. The *lytopactius, the Coda, De la
Faye 's Wheel, the Pollan Wheel, Chain Pumps; Haro's
Darwin's Engine, Hungarian Machine; the Spiral Pump, Dr
Isgulier's Drawer and Bucket, Sarjeant's Machine, Daarbene•
Engine, Ste.

oil Mills and Ordnance Boring Machines.
Contrivances for parallel Motion., by Cartwright, Dryden, Re.
Vartour Pumps, with Remarks on Pittous and V..lacs.
Ramfden's Machine for dividing Mathematical lultruments.
Contrivances for reverting and changing MOCIiOII6.
Seapemeuts, by Graham, Mudge, Dc Latour, &c.
Steam Engines, by Newcomen, Blakey. Gaiiilb rough, Watt,
Horriblowtr, Cartwright, Murray. Bettarcourt, Woolf, he.
Bramah's Machine for planing different Kinds of Surfaces.
Rules for forming Teeth and Wipers ; with Maudflay's Teeth
cutting Apparatus.
Horizontal Vertical, and Circular Saw Mills. _

Tide Male (a fubydi never beinre treated; auy Engta work)
with contrivances by Gullet, Lloyd,and Dryden.
Turning Apparatus, by Maud Day and Smart.
Water MID', under aI.A, over Mot, fniral, !Latin, &c.
Windmills,. vertteal, borizoutal, &c. by'.order, Z‘nifan, By
water, and others.
Printed for 0. kearfley, Fleet-ftreet, London.
Where may likrarify be had, ibis Author's FRnA Di on Mr
TKONO NI Y, prwc z a boards..
And bis LEsSONS,.iltrationi. an.: prie, 4s. beads.

MR. BARROW's TRAVELS IN CHINA. NEW EDITION.
Ilia day was psi/Wiled.
Elegantly printed in one hip volume, quarts. and illultratel with
Plates, molt of then* engraved by Mr. IbledLlnd. front Draw-
ings by Mr. Aleunder, peke M. its. 64. its boards,
A Second Edition ei
TRAVELS in CHINA. contAinipg Deferiptiong,
Olgervations, and Cariparit•os, rade and colleded in the
Coatis of a Eton Relidetwe at the Imperial Palace of Yuen. min-
Tom, and on a Cabkquent pantry through the Country front
Pekin to Canton. In which it h stirred to appreciate the
Rank that this extraordinary Empire may be essackted to bold in
the Scale of civilized Woken.

—.—
" Non cubvis Fletnioi contingit are Corinthom."
It is the Lee of kw to r to Pekin.
By JOHN BARROW, Efq.
Late Private Secretary to the Earl of Macartney, sad ewe able
Sake as anihafador treat the Bios of Great Britain to the ger
peroe of Chios.
Printed for T. Cada and W. Dirties, Strand....

W whom may be had, by the fame Author, a one Eaten,
juft pobltilted, of
An Account of Travels lmo the Interior of !lambert! Africa.—.
Containing Obfervatioos on the Geology and Geography of the
Southern Part of that Continent, Skean.. of the Phylical and
Moral Claaraelers of the various Tribes of inhabitants, Confldera-

nom on the Importance ache Cape of Gael Hope to the different
European Powers, as a Naval and Military Stars; as a Point of
Security to our Indian Trade and Settkrnents during a War; and
as a Territorial Aemtifition in time of Peace. Ste. Pte. Two Vols.
eto h • loge Map and leveret other Engravinus,3l.3s.in boards.
The Beetiod Volume may be bad feparate.
MR. COXE'3 NORTHERN TR Avr.t.s. AND OTHER
WORKSNEW EDITIONS.
This day was publitbed, In Flee Volumes °sleet% Ruff rated by
Maps and other Engravings, price H. ss. In boards, a New
don, (bring the Fifth) with esoliderableAdehtions of
'RAVELS POLAND, RUSSIA SWEDEN,
E and DENMARK; interfpn fed with hiltorical Relations and
Political Enquiries.
By WILLIAM COXE, A. M. F. R. S. F. S. A.
Areissicacoo of Wilts, Rector of Bemertess.
Printed for T. Cadet and W. Dairies, Strand.
Of whom may be bad, by the fame Author,
t. An account al the Ridden Dlfecncries between Alfa and Anse-
rea. To which is added the Ceoquell of Siberia, and the Hider,
of the Tranfaaions std Comments between Ruth& and China, Eve
with Charts and other Engravings. 4th Edition, toe 6d. in beards'
•.• A very few Copies, elegantly printed in Royal ctsitte.
price 31 35
a. Travels In Switzerland and the Country of the Gams, three
Vol.. Oftavo, 4tb Edition with Additions ; illultrated with a large
Map and other Engravings, price H. 7i. In boards, or on Royal
Paper with twenty Views from Drawings taken an the fpot, by
I Mr. Smith, Price al. is. In bawls.
3. Memoirs of the Mt led Adaniniltratim of Re Robert Wal-
pole, with original Correfp.odenee and ainthintk Papers, never
before publidioi, three VWu sm. 31 t a. in boards
4. The fame Work, without the Correfpoodence, three Vol.,
gm. 11. au in boards.
5. Memoirs of Horatio Lord Walpole, (Heeled from his Con
refpoodence and Papers, and conneded. with the Hiltory of the
Times, until his Death in 173 7. Elegandy printed in Quarto, and
ttuftriced with 11 Portraits, 31. ye in boards.
6. An Hiftor.cal Tour in Moomouthilire,ernbellithed with up.
wards of 90 Plates of Views drawn by Sir R. C. Hoare, Bart and
engraved by Byrne, the. Portraits, Plans, a new whole-fleet Map
of the County. Ate. two Vols. Quarto, 41. al. isa bomb.

'llia day was pubbled, pure as. 6d
THE TERMS of all the LOANS which have
been rated for the Public Service, with Obfervationa on the
Rate of Intereft paid for the Money borrowed; and an account of
Navy EulE:chequer Bills, funded :.t different periods.
The third edition, cooridcrably enlarged and improved,
By J. J. GRELI.VER.
London—Printed for W. J. and J. Richardfon, Royal Exchange,
Where may be had, price jai in boards,
I. The STOCKS lIIAMINED and COMr•lttl), or a Guide to
Purcbafcrs in the Public Funds, containing an account of the dif-
ferent Funds, from die times of their creation to the year tans;
with various ufeful and 4:tenure Tables and Statements of the
National Debt, and an account of the precut Plan for liquidating
the fame.

The 4th edition Improved, by Wu. FAIRM PI
Life Aconunaat to the Corporation of the Royal Ea:change
Alturance.
2. EVERY MAN HIS OWN BROKER, or a Guide to the
Stock Exchange. The 53th edition,
By ruomes Moartstre.
3. In One Volume et°. price 132.6 d. in boards, a TREATISE
on the AFFAIRS of the RANK of ENGLAND.

By the late A oo ea A , Ffq.
Containing, among a great variety of other important inform.
lion refpetting tkat Eitablifhment. an average amount of Bank-
' Notes for every Three Months, a Weekly Amount of Bank
Notes in circulation, Tables of the Seale of Cab, Bullion, DB-
counts, Am. Together with a Copy of the Charter, and a costa.
account of the Eitablifbinent of the Bank.

In One Volume, for the pocket. price too. 6d. bound,
TABLES, formed on a new and eafy principle, for Calculating
the VALUE can't OCKS and ANNUITIES, and fur a ready dif-.
patch of bulinefo In the Public Foods; the Table on tilCdebit-dde
of the Boot &ming what quantity of Stack or Annuities may be
purchafed for any given rum of Matey; and that GU the Credit.
tide exhibiting the produce to Mutey of any given quantity of
Stuck, at all the different prices to which the Funds may fludtuate,
from so, with all the intermediate Eighths, to zso per Cent.
The Second Edition.
By WILLIAM BLit wear, of 'the Bank of Englar.d.
5. By the fame Author, price sa. bound, PERPETUAL and
• DETERMINABLE ANNUTiIIiS reduced to a LEVEL; or, a
I Comparative View of long and &crt Annuities. with 3 per Cent.
I reduced, and 3 per Cott. Cot.fols at the Bank of England; thewing
the due proportions they ought to bear to each other, at every pay.
I meat of inzereft, in each refpecl ire year during the whole term or
continuance of the raid determinable Annuities, calculated at the
fevers' rates of 3. 34, 4. 41, s. 31. and 6 per Cent. Inter& ;
with Come obferrations an ands par ecnt. Stock. Alfa, Tabks
I of Accumulation of Money, rendered fo very cal', as to enable any
perfect to calculate for tbemfelvea the preference that ought to be
given between any deed, determinable, and popeondannutty; and
'rabies for buying the lame, calculated from nne to t birty. three
years purehafe, with all the intermediate tradtional parts ufed at
the Bank of England and Stock Exchange.
6. In One Volume, Royal Octavo, price as. zoo. in boards,

1.4.81. ES of trirritps'r, ciico.ra . s prr Cent iileWing,
at ooe view, the Inter& of cvrry sum, from One Pound, coati.
need by Units to 366 Pounds, (and Menet condoned. by Hun.
drods, to One Thomfand. sod by rhoufands, to Teo Tboasnd
l'oulid.), fur any period from ...ne Day to 365 ; thereby giviug
at one reference. the Intereft of any Sum required.
To winch are added, feveral ether of,ful Tablas for rolamtAdus
Corusuilloo,ll.- By J Kann, of Liverpehl
111 e i s.urth Fdition. enlarged.
Where may be bad, Mr. KING's IN I hkb6T TABLES, on
the fame principle, to :S4 Days, priest its. in boards.

Alf .the /4:11. Pan (inn ita;aiir War!. L.; c7l37ys only, may
be had fkvaZitciy, rilge Is, b 4. to bw...ry.