ait ENGRAVINGS. 4 
~ Vol. XLII. A Plate containing Professor Lestie’s Atmometer, and _ 
Figures to illustrate Dr. Woxtaston’s Paper on thelelementary Particles 
ef certain Crystals —A Sketch of that Part of the Island of Java which 
contains the natural Lake cf Sulphuric Acid.—Interior of Volcano in the 
Island of Java, and Figures to itustrate Mr. Watxer’s Paper on the Elec-. ° 
tric Fluid.—A Plate to illustrate Mf. Link’s Memoir on the Anatomy of 
Plants, and Dr. Wotxasron’s. Crysphorus.—A third Plate to- illustrate 
“M. Link’s Memoir on the Anatomy of Plants.—Mr. T. Joxes’s Secto-' 
- graph,—a new Instrument for dividing right Lines into equal Parts, measure 
~ mg Angles, and inscribing Polygons i the Circle, &c. , 
Vol. XLIII. A Plate to illustrate a New Transit Instrument invented. 
by Sir H. C. Exeveriecp, Bart.—A Plate: to illustrate the Use of Air=. . 
Wessels in Plants: By Mrs, [asgrson.—A Pilate to illustrate M. Se- . 
~ mentini’s new Apparatus for producing Oxygen Gas to/restore sus- 
ended Animation—Mr. Reaps’s Paper on the Refraction of the, Solar 
Bei and Mr. Harcreaves’s Observations on Colours.—~A Plate to 
illustrate Mr. J. Wairrogn’s mechanical Substitute for Leeches; and Mr. 
J. Titrey’s Hydro-pneumatic Blow-pipe.—A Plate to\describe Mr. 
R. Hucues’s Gudgeon forthe Shaft of a Water-wheel; and Mr, Pap- 
— Buay’s Guard for a Carriage-wheel.—A Plate to describ# Captain Prat’s 
4 Temporary Ship’s Rudder.—A Quarto Plate of Mr, Samurt Jones’s 
“Sofa Bed. eran Becta htt CLV p ae 
~~ Vol. XLIV. A Plate to iliustrate Mr. Hume’s Gazometer and Blow- 
pipe; a Proposal for an Improvement of the Galvanic Trough ; anda 
-new Apparatus for preparing pure Muriatic Acid.—A practical Diagram 
$ for obtaining the Lunar Distances observed by a Sextant.—Electrical 
~ Apparatus to illustrate Mr. Baanpe’s Paper on some new Electrical - 
Phenomena.---A Quarto Plate toillustrate Mrs. Insevrson’s Paper on the 
_ Cuticle of Leaves.—Brunton’s Patent Whaiu Cable.—Figures relative to 
« Dr. Brewster’s Paper on the Afféctions of Light transmitted through | 
trystallized Bodics.—A Plate to illustrate Dr. BrewsTeR’s Paper given 
in our jast Nurmber. ey Ghar eH 
- Vol. XLY. A Plate to illustrate the Nourishment produced to the 
Plant by its Leaves. By Mrs.Tusetrson.—A Plate to illustrate Mr,. 
Baxeweu’s Sketch of the Arrangement of the Rocks and Strata in the 
_Worthern Counties of England.—Plates to illustrate Mr. Roserrson: 
— Becwanan’s Desctiption of the Steam-Boats op the Clyde; and Mrs. 
} Inperson’s Paper proving that the Embryos of the Seeds aré formed m 
the Root alone.—A Plate, to illustrate Mr. Joux Watrers’s lmprove-. 
ments in Naval Architecture. —A Quarto Plate on the Roots of Plants. — 
An Octavo Plate of Mr. Sincer’s Electric Columns; Mr. Watker’s 
| Electrometer; Rocuon’s Apparatus for ascertaining the Heat of coloured 
chaya.:  : * ie 
hi Vou XLVI. Mr.T. Jones's New Reflectine Compass.—Mr. Woo r’s 
Patent Boiler for Steam Engines and other Purposes.—A Plate to illus- ° 
rate Mr. Wooxr’s Intprovement on the Steam-Engine, by which the ° 
‘possibility of Steam escaping past the side of the Piston is effectually pre- 
‘vented.—A Plate to iJlustrate some Electrical Experiments by M. DeNevis, 
of Malines; with an Extension of thenabyMr. Sincer and Mr. Crossn. 
—A Pilate to illustrate the Blectri¢al Eeperitnedts of M. De Netts of 
Malines,—W oo1F’s improved Steam-Engine.—A Plate to illustrate Mr. 
Evans’s Paper on guiding Balloons through the Atmosphere.—A Plate 
lustrative.of Dr. Barwsrer’s Paper on Light.—A 4to Plate to illus. - 
trate Sir H. Davy’s Paper on the Fire-damp of Coal-Mines, aud on Me- 
thods of lighting the Mines so as to prevent its Explosion; and the Ac- | 
count of Mr. Strruxenson’s Safe-Lamp for Coal-Mines. 
‘Vol. XLVIL Illustrated with a Quarto Plate describing the Piant- 
pure of Denver, ——_— 
