liNGRAVJNGS. 



Vol. XLIV, A Plate to illustrate Mr. Hume's Gazometer and Blow- 

 pipe ; a Proposal for nn Improvement of tlie Galvanic Trough ; .and a 

 new Apparatus for preparing pure Muriatic Acid. — A practical Diagram 

 for obtaining the Lui^ar Distances observed by a Sextant. — Electrical 

 Apparatus to illustrate Mr. Brande's Paper on some new Electrical 

 Phenomena. — A Quarto Plate to illustraf* Mrs. Ibbetxon's Papei; on the 

 Cuticle of Leaves. — Brunton's Patent Chain Cable. — Figures relative W 

 Dr."BREWSTBE.'s Paper on the Affections of Light tra;.jmitted througk 

 crystallized Bodies.— j!\ Plate to illustrate Dr. BRtwaTEa's Paper given 

 in onr last Number. 



VoI.'XLy. A Plate, to illustrate the Nourishment produced to the 

 Plant by its Leaves. By Mrs. Ibbetson. — A Plate to illustrate Mr. 

 Bakewkll's Sketch of the Arrangement of the Rocks and Strjia in the 

 Northern Counties of England. — Plates to illustrate Mr. Robertsoj* 

 Buchanan's Description of the Steam-Boats on'the Clyde; and Mr^. 

 Ibbetsok's Paper proving that the Embryos of the Seeds-are formed ia 

 the Root alone A Plate to illustrate Mr. John WaLters's Improve- 

 ments in Naval Architecture. — A Quarto Plate on the Roots of Plants 



Plate of Mr. Singer's Electric Columns; Mr. Walker's Electromete^; 

 Rochon's Apparatus for ascertaining the Heat of coloured Rays. 



Vol. XLVI. Mr. T. Jos E s*s New Reflecting Compass.Tr-Mr. Wool k's 

 Patent Boiler for Steam Engines and other Purposes. — A Plate to illus- 

 trate Mr. Woolf's Improvement on die Steam-Engine, by which the 

 possibility of Steam escaping past the side of the Piston is effectually pre- 

 vented. — A Plate to illustrate someElectricalErperimentsby M.DtNsLis 

 of Malines; %vith an Extension of them by.Mr. Sing&r and Mr. Crosse. 

 — A Piate to illustrate the Electrical Experiments of M. Dir Nelis of 

 Malines. — Woolf's improved Steam-Engine. — A Plate lo ill.istrate Mr. 

 EvANs"s Paper on sjuiding Balloons through the Atmosphere. — A Plate 

 illustrative of Dr. Brewster's Paper on Light.— A 4'to Plate to illus- 

 trate Sir H. Davy's Paper on the Fire-damp of Coal-Mines, and on Me^ 

 thods of lirjhting the Mines so as to prevent its Ex[)las!on j and the Ac- 

 count of Mr. Stephenson's Safe-Lamp for Coal-Mines. 



Vol. XLVII. Illusyated with a Quarto Plate describing tlie Plani- 

 sPHERiof Dendera. — A Quarto PLitc to illustrate Mr. Brown's Paper 

 en Architecture. — A Plate to illustrate Sir George Caylcy's Paper on 

 Aerial Navigation; and ^Mr.XoNbox's Hydrometer. — A Quarto Plate 

 of the Temple of Kournou at Thebes.-^A Plate of the new Baths at 

 Ra rftsgate. 



Vol. XLVIII. A Quarto Plate of the Strand or Waterloo Bridge erected 

 c^'er the Thames, at the Savoy, London. — A Quarto Plate to illustrate 

 Mrs. I3U£T30n's Anatomy of Vegetables. — A Quarto Piate to illustrate 

 Mrs. Ibb-tson's Paper on the Physiology of Vegetables. — A large Quarto 

 Plate to Illustrate Mrs. Ibbetson's Paijer on a new View of Vegetable Life. 

 —A Quarto Flute to illustrate Mrs. tKBhcsON's Paper on the Physiology 

 ef Vegetables ; and Hr.Mou.v.w's Ma^j of Native Iron found in Brasil. 



Vol. XLIX. A Plate to illustrate Dr. Evans's Communication on 

 Terrestrial Mugnctism ; a new Electro-atmospherical Instrument; and 

 Mr. Andrew Horn's Paper on Vision.— A Quarto Place to illustrate 

 Mrs. Ibbetson's Physiology of Vegetables.— A Plate to illustrate the 

 Solar Spots which appeared during the Year 1816; — and Mr. Bevan's 

 Improvement on the Sliding-Rulc. 



