> 
In the Press, and speedily will.be published, mY 
a Y z | 
HE GAS BLOW-PIPE, or Axr of Fusion’ by burning the’) 
<h Gaseous Constituents of Water; giving the History of the Philoso- | 
phical Apparatus so denominated ; ‘the Proofs of Analogy in its Opera- | 
tions to the Nature of Volcanoes; together with an Appendix, containing ) 
an Account of Experiments with this Blow-pipe. ; hee? 
- By EDWARD DANIEL CLARKE,LLD. 
Professor of Mineralogy in the University of Cambridge, Member af — | 
:* ‘the Royal Academy of Sciences at Berlin, &c. &c. ao 
Printed for T. Cadell and W. Davies, Strand. 
ENGRAVINGS, 
‘Vol. XLIII. A Plate to illustrate a New Transit Instrument invented | 
by Sir H.C. Enererietn, Bart—A Plate to illustrate the Use of Airs’ 
Vessels in Plants. By Mrs. Inserson-—A Plate to illustrate M. Sx-7 
MENTINI’s new Apparatus for producing Oxygen Gas to restore sus- 
pended Animation—Mr. Reape’s Paper on the Refraction of the Solar ¥ 
* Rays—and Mr. Harcredves’s Observations on: Colours —A ‘Plate to 
illustrate Mr. J. Warrrorp’s mechanical Substitute for Leeches; and Mrv | 
‘J. Titiey’s. Hydro-pneumatic Blow-pipe. — A’ Plate. to describe Mr. % 
R. Hucues’s Gudgeon for the Shaft of a Water-wheel; and Mr, Pane 
sury’s Guard for a Carriage-wheel.—A Plate to describe Captain Praz’s ¥ 
Temporary Ship’s Rudder.—A Quarto Plate of Mr. Samusx Jones’s\§ 
Sofa Bed. “te 
Vol. XLIV. A Plate to Wlustrate Mr. Hume's Gazometer and Blow- 9 
pipe; a Proposal for an Improvement of the Galvanic Trough; and a 
new Apparatus for preparing pure Muriatic Acid.—A practical Diagram © 
_ for obtaining the Lunar Distances observed by a Séxtant.—Electrical 
Apparatus to illustrate Mr. Branpr’s Paper on some new Electrical 
~ Phznomena.---A Quarto Piate to illustrate Mrs. Inserson’s Paper on the } 
Cuticle of Leaves.—Brunton’s Patent Chain Cable.—Figures relative to 
Dr. Brewstxer’s’ Paper on the Affections of Light transmitted through | 
.erystallized Bodies —-A Plate to illustrate Dr. Brewsrer’s Paper given 
ta our last Number. Bey 
Vol. XLV. A Plate to illustrate the Nourishment produced to the 
Plant by its Leaves. By Mrs. Isnerson—A Plate to illustrate Mr. 
Baxewetu’s Sketch of the Arrangement, of the Rocks and Strata in the | 
Northern Counties of England.—Plates to’ illustrate Mr. Rosertson 
Bocuanan’s Description of the Steam-Boats on the Clyde; and: Mrs. — 
Inserson’s Paper proving that the Eribryos of the Seeds are formed !n 
the Root alone.—-A Plate to illustrate Mr. Joun Wazrers’s lmprove- 
ments in Naval Architecture.—A Quarto Plate on the Roots of Plants.— 
Plate of Mr. Sincer’s Electric Columns; Mr. W.arxer’s Electrometer; jf 
Rocion’s Apparatus for ascertaining the Heat of coloured Rays, V2 Say 
Vol. XLVI. Mr.T. Jones’s New Reflecting Compass.—Mr. Woort’s |} 
Patent Boiler for Steam Engines. and other Purposes.—A Plate to ilius- |f 
trate Mr. Wooxr’s Improyement on the Steam-Engine, by which the — 
possibility of Steam escaping: past the side of the Piston is effectually pres’ 
“vented.—A Plate to illustrate some Electrical Experiments by M.DeNgzis” 
of Malines; with am Extension of thern by Mr. Sincer aitd Mry Crosse. 
—A Plate to illustrate the Electrical Experiments of M> Dz Nevis of 
Malines,—Woo.r’s improved Steam-Engine.—A Plate to illustrate Mr, 
Evans’s Paper on guiding Balloons through the Atmosphere»=wA, Plate” 
