ENGRAVINGS, 
ae _ Vel. XLIL. A Plate containing Professor Lesuir’s ‘Atmometer, and 
_ Of certain Crystals.—A Sketch of that Part of the Island of Java which 
_ Contains the natural Lake of Sulphuric Acid.—Interior of ‘Volcano in. the 
Gsland of Java, and Figures to illustrate Mr, Watrxer’s Paper on the Elec. - 
‘tric Fluid—aA Plate to illustrate M. Linx?s Memoir on the Anatomy of. 
_ Plants, and Dr. Wottasron’s Cryophorus.—A third Plate, to Hlustrate 
_M. Linx’s Memoir on the Anatomy of Plants.—Mr. T: Jonts’s Secto- 
| gtaph,—a new Thstrument for dividing right Lines into equal Parts, measure 
_ Ing Angles, and inscribing Polygons in the Circle, &c, ay 
Meg VOl. XVIII, +A: Plate to illustrate a New Transit Tnstrument invented 
by Sir H.C. Ene LeErterp, Bart—A Plate to illustrate the Use of Airs 
Vessels in Plants. By Mrs. Isserson.—A Plate to illustrate M. Sz- 
1 
_ MENTINI’s new Apparatus for producing Oxygen Gas to restore sug- 
ays—and Mr. Harcreaves?s Observations ‘on Colours. A Plate to 
 Gllustrate Mr, J. Wuitrorp’s mech: aical Substitute for Leeches; and Mr, 
—S. Titvey’s Hydro-pneumatic Blow-pipe.— A Plate to describe Mr, . 
R. Hucues'’s Gudgeon for the Shaft of a Water-wheel ; and Mr, Pap. 
 Bury's Guard for a Carriage-wheel,—A Plate to describe Captain Peag’s - 
‘Temporary Ship’s Rudder.—A Quarto Plate of Mr, Sam UZL Jones's 
“Sofa Bed.” 
\ Vol. XLIV. A Plate to illustrate Mr. Hume’s Gazometer and Blow- 
“Pipes a Proposal for an Improvement of the Galvanic Trough ; and a 
2nomena,---A. Quarto Plate to illustrate Mrs. I BRETSON’s Paper on the 
y - + RS PSD 
_Vol, XLV. A: Plate to illustrate the Nourishment produced to the 
f£lant by its Leaves. By Mrs. Taperson,—A Plate to illustrate: Mr, 
AKEWELL’s Sketch of the Arrangement of the ‘Rocks and Strata in the 
] ern Counties of England:—Plates’ ts illustrate Mr, Rozertson ~ 
CHAwAN’s Description of “the Steam-Boats on the Clyde; and Mrs, 
Taserson’s Paper proving that the Embryos of the Seeds are formed in 
he Root alone..-A Plate to illustrate Mr. Joun Warrers’s Improve. 
Ments in Naval Architecture.—A ‘Quarto Plate on the Roots of Plants, 
Ictavo Plate of Mr. Singir’s Electric Columns; Mr. Warkvr’s 
lectrometer; Roc HON’s Apparatus for ascertaining the Heat of ccloured 
Vol. XLVI. Mr.T. Jonzs’s New Reflecting Compass,—Mr, Woour's 
Patent Boiler for Steam Engines and other Purposes,-A Plate to.illue- 
e Mr. Wooxr’s Improvement on the Steam-Engine, by which the 
ibility of Steam escaping past the side of the Piston is effectually pres 
—-A Plate to illustrate some Electrical Experiments by M.DeNe xis 
“ith an Extension of them by Mr. Sincrr and Mr. Crosser, 
Plate to illustrate the Electrical Experiments of M. De Nexis of 
S.-W ooLr’s improved Stcam-Engine.—A Plate to illustrate Mr, 
J ‘Pa cr on guiding Bailoons throu h:the Atmosphere,—A Plate 
trative of Dr, Brewster's Paper oa ligit a. 4to Plate to illus. 
vy’s Paper on the Fire-damp of Coal-Mines, and on Me. 
htng. the Mines so as to prevent its. Explosion; and the Ac. 
FEFMENSON's Safe-Lamp for Coal-Mines, 
[.  Ilustrated with a Quarto Plate describing the P 
inde Animation—Mr. Reana’s Paper on the Refraction of the Solar: 
ew Apparatus for preparing pure Muriatic Acid. A Practical Diagram » 
ining the Lunar Distances observed by a ‘Sextant,—Electrical 
Apparatus to illustrate Mr, Branpe’s Paper ‘on some new Electrical . 
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