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ENGRAVINGS. +a) 
R psi: ‘of Ne eansae Plant. vaitischn causes “the Bight ‘in- 
'* engraved, by. permission | of the Right Hon. Sir Joseru Banks, 
ae at, the original Drawings. —A Plate containing Mathematical Hien to 
illustrate the best Form to be given to a Plough-ear; to illustrate a P. aper 
- by President Jerreason—A Portrait of Dr, PrizstLey, from a M 
| taken from the Life. Engraved by E. Macxen ZIE—A nondescript A 
Insect, and. microscopic “Wiews of the. Parts—Also Figures to illustrate a 
Bs ag on Elasticity —A Plate respecting the Physiology of Vegetabl 
~Mr. SerpinGs’s Method of Suspending Ships—Figures to illustrate Messrs. 
-Humsotpt and Biot’s Theory of Terrestrial Magnetism—The Hydromis Sit 
~ Goypou—The Yellow-bellied Hydromie--The Mi bite Bellicd Hydromi jan 
a XXII. is illustrated > At a | Plate representing 2 ‘ye, of ithe. 
-M —An Pe 
L hk a 
Z1E ay Bra an socigina Laat lhe to Hy Shaseiakes I 1 oy “3 
. their Work in a standing Posture—A Plate illustrating” Dr: Her- : 
L's Paper on the Motions of the Heavens—Mr. Cuarres’s. Machine. 
ng Land Igvel—Apparatus for making Gaseous Oxide of Carbo 
Vol. XXIV, is: embellished with a Piate of Figures | to ‘linatrate Mr Da 
~-ton’s Theory of the Absorption of Gases by Liquids—On the same ; -Als : 
. ‘Refrigeratory for Distillation, acting on thé Principle of "the Syphon—The 
hes produced by Mr. Ez. Warxen’s newly invented Cometar 
_A Quarto Plate illustrative of Experiments by Sir James Hatt, Ba 
a the Effects of Compression in modifying the Action of Heat—Mr. 
_ yens’s improved Gasometer, for Purposes where uniform Pressure is essén= 
tial—A Plate illustrating Mr. Waxxer’s Paper on the apparent ‘Magnitude 
of the horizontal Moon—A Quarto Plate illustrative. of Sir James Ha: ‘3 
_ Expérimemss on the Effects of ‘Heat modified by Compression— \ Portrait. 
of Mr. Auperr: engraved by Mr. E. Mackenzie—A Quarto Hate of 
tural History, viz. the Fishes Eremophilus Mutisii, Astrablepus Gri. xalvii, id 
. Pimelodus Cyclopum ; and a ss hd American esse! ‘the: Simia Heong ce 
. haat Wy Lowry, — ; RT ea . ree | 
Vol. RXV. contains an Qetavo Plate illustrative of ashen by 
es HAct on the Effects of Compression in modifying the Ac ion 
Heat—A Quarto Plate on ‘the same Subject—A Quarto Plate to illustra: ph 
_ Sir Bi, AMES ae s sit on the Bifects of arent mmodliGed ke Cabs nT eat 
- 
oF aS re evolved | by | the ene of different Kinds or fact oe Gi, 
re - per GILPIn’s improved Crane with Flexible Chains—Mr. Hiewsens" 
“Book-case Bolt, and Mr. Lz Caan’s Check for Carriage Wheels “ 
| Bd Sruet s Improvement on Canal Locks-——Figures to. 
ts Guortrurus's Memoir on the De composition of Water ae G 
tr cA Bust i in in Silex, found coated over with ccekenatia 
cam sy 
. 
- y ~ ot 
ave 2 ae - a ees : a3°3 ‘Vewk a 
! > at ae (Son tx VIe4 
