Star.
London, England, 1805-04-08 00:00:00

Woolwich.

Mathematical truth, naked and a adorned, poillffes charms in
the eyes of only the Lica : to allure many vmailel it mud be
decked oat with embelliftimmts, molt inflame curiosity LI, half
veiling and hilt expofing its myft...ries and ferret-, and malt rode
ambition and vanity by the promik of knowledge and power.—
For this end, few Hooks are better calculate' Cur) the volumes
brfore us: the ample title page of which luificie ,sly announces
their contents, and not vilfairly indicates th it merit They teach
much with little trouble, and little formality they require no con-
tinued (train of attention and Rudy; and the/ endeavour to ar-
range even the moLt fimple truths under the molt pleating forms.
Monthly Review, :Via), 004.
Printed for G. Keariley, Fleet.tireet, London.

Mr. WALICILICI LE.O ruREs on NA IIIKAL PHLLOSOPHY.,
Thie day were puhlifhed,

, -
Handromely printed in Two Vohunts. Medium gzarto,illuftsated
by Forty-nine Copperldates, neatly engraved, price Two Gui-
nean and a Half in boards,
A SYS rEm of FAMILIAR PHILOSOPHY,
in Twelve Leetures; bring the Courfe ufually read by Mr.
WALKER, of Conduit-ltreet, Hanover-filtrate Curtaining the
Flements, and the pradtical Ufes to be drawn from the Chemical
Properties of Matter; the principles and application or Mechanics,
of Hydruft4ties, of Hydraulics, of Pneumatics. of .•.tagn:tifm. of
Elearicity, of Optics, and of Altronomy, including every material
modern difzov. ry and improvement to the prefent rite. •.
For the Satisfaction of the Public, we here 'rive an Lxtratft of the
principal Contents of each Ledur..

. .
T. iwritoouclosv Lac ruse, containing Lime general Ideas
rtfprdling the Syfttm of Nature.
1. UI the PARTICLES of MATTER, their minute:left, harinefs,
attention, divifibility, inertia, and cohclion, and on Nlsgrirtilin.
3. On hiscHArsicAr. POWER 9, as apped to the Windmill
and travelling Corn mill. Whrrl•carriages, containing a variety
of Fsmeriments for the Improvement of Coaches, Larta, Wag-
gons, &e.

-4.0 n Ca Lattir a r, on Acids, Alkali, Diflillation, Sublitnition,
on afEnitive Attradtion, of Conthutliqn. Metals, Minerals, %'egcta-
ble and Animal Analylls, Chemical Apparatus, Mifetllanetuu Oh;
fervatiens and Experiments in Chemiitry.
t. On the ATMOSPHERZ, Mecha•rcil and Chemical Proper-
ties of Air; on Wind, 4tr Ouus, Wind-guus, on sound, Sympa.
thy of Sound.
6. HYDROSTATIC HYDRAULICS; of ("peel& Gravities, on the
Diver's Bell, of lumps, the Rope Pump, the Forcing Pump,
Boulton and Watt's Steam Engine, Steam Engine with the cy-
linder in the Boiler.

7. ELLCTRICITT, Introdudlory Rentarlti on Flcaric.4 i Lt.
chines, on Points, on the attraction aint repellency of
on the Leyden Vial.

a. ELICTRICITY, cantinued; of fpontlnenus Electricity, of
Lightning, of Animal Electricity, Medical Electricity, Exited-
MIMS mikellaneous and entertaining.
9. 0 cries, On Viflon, Optical hiltruments, the Night Glafs, tke
Refrading and Rd !feting 'lticicores, of the Single, Donl>le or
Compound, Solar, and Opaque Microf.•ope, the Magic Lame' n,
Mikellaneous Experiments, Deceptions, &c.
to. Arraottostx,Gcneral View of Creation ; ancient Opinion.
concerning it ; why the Earth mut be a Globe; Gay, Navq and
the Seafons, how produced ; on the Ccicßial Globe ;* Origin and
Ufe of the Conittliations; thole ureful t,, N.iriction ; Equinoxes;
Zodiac; Equation of Time; Ufe of limekeeptTs, Sec.
. On the MOON, her Motion and Lelipl s ; 1-14rizontal and
HarveU Moon ; on the Castle of Tides in the Air, and Sea; as►
Curcnts.

12. ASTRONOMY continued, Newtonian D 0.% Inc refpcdtiog the
Law. of the Planetary Motion% charaderr and propert cr el the
Planets and their Moons; de of the Nautical Einicineri, ; on AF
etude and Refradion ; on Comets &c. &c.

Printed for the Author, at Ms Houle, No. 42, Condui•-kitty
Hanover-(quart, and foil by G. Kaulley, Flect-ttitut.