ENGRAVINGS. 



Vol, XLIII. A PUte to illustrate a New Transit Instrument invented 

 by Sir H. C Englbfif.ld, Bart,— A Plate to illustrate the Use of Air^ 

 Vessels in Pl,-\nts. By Mrs. Ibbetson, — A Plate to illustrate M. Sk- 

 r.ir.NTiNi'-s new Apparatus for producing Oxygen .Ga? to lestore Sus- 

 pended Animation— Mr. Re/I-De's Paper on the Refraction of the Solar 

 Ravs — and Mr. ,Hargreaves's Observations on Colours.— A Plata to 

 illustrate Mr. J. Whitford's inech.;»'nical Substitute for Leeches; and Mr. 

 J. Tilley's Hydro-pneumatic Blow-pipe. — A Plate to describJ^Mr. 

 R. Hughes's Gudgeon for the Shaft of a Water-whec-1 ■ and Mr. Pad-^ 

 bury's Guard for a Carriage-wheel. — A Plate to describe Captain Peat's 

 Temporary Ship's Rudder.;— A Quarto Plate ef Mr. Samuul Jones's 

 Sofa Bedi " . 



Vol. XLIV. A Plate to illustrate Mr. PIume'^ C-szoir-ner -and Blow, 

 pipe; a Proposal for an. Improvement of the Galvanic Tro!:c>h ; 'and a 

 new Ap^iratus for preparing pure Muriatic Acid. — A practical l^iagram 

 for obtaining the Lunar Distances observed by a Sextant. — Electrical 

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

 Phenomena. — A Quarto Plate to illustrate Mrs. Ibbetson's Paper ontlie 

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

 Dr. Brewster's Paper on the Affections of Light transmitted through 

 crystallized Bodies. — -A Plate to illustrate Dr. Brewster's Paper given 

 in our last Number. * ' - • 



Vol. XLV. A Plate to illustrate the Nourishment produced to the 

 Plant by its Leaves. By Mr^- Ibbetson, — A Plate to illustrate Mr, 

 Bakewell's Sketch of the Arrangement of the Rocks and Strata in the 

 Northern Counties of England. — Plates to illustrate' Mr, Robertson 

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

 Ibbetson's Paper proving that the Embryos of the Seeds are formed in 

 the Root alone. — A Plate to illustrate Mr, John Walters's Improve- 

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

 Plate of Mr. Singer's Electric Columns; Mj-. Walker's Electrometer; 

 Rochon's Appar.atus for ascertaining the Heat of coloured Rays. 



Vol, XLVI, Mr.T. JoNks's New Reflecting Compass.— Mr; Woolf's 

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

 trate Mr. WooLr's Improvement on the Steam-Engine, by which tlie 

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

 vented. — A Plate to illustrate some ElectricalExperiments by M.DeNelis ' 

 ©f ^ialines; with an Extension pf them by Mr. Singer and Mr, Crossi. 

 -^A Plate to illustrate the Electrical Experiments of M, De Nelis of 

 Malines. — Woolf's improved Steam-Engine. — A Plate to illustrate Mr. 

 E-van^'s Paper on guiding Balloons through the Atmosphere.— A Plate 

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

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

 tliods of lighting the Mines so as .to prevent, its Explusionj and the Ac- 

 " count of Mr. St EPHKK son's Safc-Lamp for 'Coal-Mines. 



Vol. XLVH. Illustrated with a Quarto Phite dcspribing the Plasi- 

 s>HEREof Dendera, — A Quarto Plate to illr.strate Mr, Brown's Paper 

 r>n Archrtectnre. — A Plate to illustrate Sir .GEOKCECAVLBy's Paper on 

 Aerial Navig-atiori; and Mr. London's Hydrometer.— r A Quarto Plate 

 of the Temple of ICourhou at Thebes. — A 'Plate of the new Baths at 

 Kamsgatc. " ■ 



Vol. XLVIII. A Quarto Plate ofthe Strand orWaterloo Bridge erected 

 ever the Thames at the Savoy, London. — A Quarto Plate to illastratc 

 Mrs.JBBETioN's Anatomy of Vegetables.— A Quarto Plate to, illustrate 

 Mrs. Ibbetsoo's Paper oa tke Physiology of Vegetables. 



