ing Aagles, and inscribing Polygons in the Circles-&c. 
eae Rat GBs BNGRAVINGS, ~~ >> 
hs Vol, XL. A Plate containing Professor aestin’s Atmoreter, and” 
 Bigures to illustrate Dr. Wottaston’s Pap © the elementary Particles 
of certain Crystals—A Sketch of that Pat of the Island of Java which 
contains the natural Lake of. Sulphuric 4cid.—Interior of Veleano in sie 
Island of Java, and Figures ‘to illustrate Mr. Watkes’s Paper on the Elee- 
tric Fluid:—A Plate. to illustrate M Linx’s Memoiron the Anstomy of 
_ Plants, and Dr. Wotrasrton’s Cryophorus.—A third Plate to ilastrate 
| M. Linx’s Memoir on the Anatomy of Plants—Mr. T. Jonrs's Secto- 
-graph,—a new Instrument for dividing right Lines into equal Parts, measur- 
- Vol. XLII. * A Plate to illustrate a New Transit Instrument invented 
by Sir H.C. Encusrieip; Bart —4 Plate to illustrate the Use of Air- 
- Yessels in Plants. By Mre2288ts0n.—A Plate to illustrate M. Sz- 
MENTNVs new Apparatus for producing Oxygen Gas-to restore sug- 
- pended Animatiou—Mr. Reane’s Paper on the Refraction of the Solar. 
ane Mr. Harcreaves’s Observations on Colonrs—A Plate to ~ 
illustrate Mr. J. Wuirrorp’s mechanical Substitute for Leeches; and Mr. 
4. Titrey’s Hydro-presmatic Blow-pipe. —A Plaie to describe Mr, 
—~ 
' Sofa Bed. 
“" Vel. TT. A Piate to illustrate ‘Mr: Hums’s Gazometer and Blow- 
‘ ‘pipe; a Proposal for an Improvement of the Galvanic Trough; and,a 
_ yew Apparatus for preparing pure Mariatic-Acid.—A practical Diagram 
~ 
for obtaining the Lunar Distances observed by a Sextant.—Electrical 
Apparatus to illustrate Mr, Beaxpz’s Paper on some new Electrical 
, Phznomena.---A Quarto Plate to illustrate Mrs. Inzerson’s Papér on the 
Cuticle of Leaves.—Bruxton’s Patent Chain Cable—Figures relative to” 
, Dr. Brewsrzr’s’Paper on the Affections of Light transmitted through 
_ etystallized Bodies—»A-Plate to illustrate Dr. Brrwsrer’s Paper given 
- iwour last Number, + 9 
Vol. XLV. A Plate to illustrate the Nourishment produced to the 
Plant by its Leaves... By Mrs. Inserson.—A “Plate to illustrate Mr, 
_ Baxetwetvr’s Sketch of the Arrangement of the Rocks and Strata in the 
- Northern Counties of: Ergland.:—Plates to’ illustrate Mr. Roszrtson 
 Buctianan’s Descriptiya of sha Stoom Rats an the Clyde; and Mrs. 
_Inzerson’s Paper proving that the Embryos of the Secds'aie foied im, 
“the Root alone.—A Plate to illustrate’ Mr.Joun Watrers’s\improve- 
~ ments in Naval Architecturé.—A Quarto Plate on the Roots of Plants. — 
Ain Octavo Plate of Mr. Sinczr’s Electric Columus; Mr, Warxer’s 
- Electrometer; Rocuon’s Apparatus for ascertaining the Heat of coloured 
Rea J 
a, eee ys. j ; : ro ae he i i 
_ Vol. XLVI. Mr. T. Jonzs’s New Reflecting Compass.—Mr. Woo.r’s 
Patent Boiler for Steam Engines and other Purposes.-APlate to illus. 
y 
a 
 thods of lighting the Mines so as.to prevent ‘its Explosion; and'the Age. 
trate Mr. Woorr’s Improyement én the Steam-Engine, by which the 
. possibility of Steam escaping past tle side of the Piston is.effectually pres 
* 
 yented.——A Plate to illustrate some Electrical Experiments by M. DeNexrs 
of Maliness with an Extension of them by Mf. Singer and Mr. Crosse, 
=A Plate to illustrate the’ Electrical, Experiments of M, De Nexis of | 
- Malines.-—W ooxr’s improved Stéam-Engine.—A Plate to illustrate Mr. 
.Eyvans’s -Paper on guiding Balloons through rhe Atmosphere.—-A Plate | 
filustra ive of Dr. Baewsrer’s Paper on Light.—A 4to Plate to illus,’ 
‘trate Sir H, Dayy’s Paper on the Fire-damp/‘of Coal-Mines, and.on Me, 
gount of I + Srrrney son’s Saf-Lamp for Cogl-Mines, 
: 
f ’ ‘ 4 
>R.Hucues’s Gudgeon for-the Shaft. of a Water-wheel; and Mr, Pap-, 
~ pury's Guard fora Carriage-wheel.—A Plate to des¢ribe Captain Peat’s . 
_ Bemperary Ship’s Rudder.—-A Quarto Plate of. Mr. Samuen Jones’s . 
