ENGRAVINGS. 



Vol. Lli A Plate illustrative of Mr. Capel Lofft's Paper on the 

 Probability of Meteorolites being projected from tlie Moon. — Two 

 Plates : one, of Mr. H. Tritton's Impro^'al Apparatus for Distillation ; 

 and another, of the Figures -n Braoley's Gardening illustrative of the Ar- 

 ticle on the Kaleidoscope. — A Plate illustrative of Mrs. Ibbetson's Pa- 

 per on the Anatomy of Vegetables; and Mr.TREDGOLo's on Revetements, 



Vol. LIT. A Plate illustrative of Mr. Upington's Electrical In- 

 creaser for the unerring Manifestation of small Portions of the Electric 

 Fluid. — A Plate illustrative of Mrs. Ibbetson's Paper on the Fructifica- 

 tion of Plants. — A Plate illustrative of the Rev. John Michell's Theory 

 ,of the Formation of the Earrh. — A Plate illustrative of Cnpt. Kater's 

 \A.rtfde ov vhe Pendulum ; and New Apparatus for impregnating Liquids 

 , Avhh Gases. — A Plate illustrative of Sir H. Davy's Apparatus for Vola- 

 tilisation of Phosphorus, and Mr. Smith's Essay on the Structure of the 

 poisonous Fangs of Serpents. 



Vol. LIII. A Plate illustrative of Dr. Ure's ir^periments on Caloric, 

 Mr. Luckcock's Paper on the Atomic Philosophy, and Mr, Bolton's 

 on the Purification of Coal Gas. — A Plate representing Mr. Rennie'5 

 Apparatus employed in his Experiments on tlie Strength of Materials; 

 and the Marquis Ridolphi's Improvement on the Gas Blow-pipe. — A 

 Plate illustrative of Mr, Meikle's Paper on Calorific Radiation; Mr, 

 Lowe's on the Purification of Coal Gas; and Mr. Hughes's on ascer- 

 taining Distances. — A Plate illustrative of Dr. Olinthus Gregory's 

 Paper on the different Rates of Pennington's Astronomical Cloclc at the 

 Island of Balta, and at Woolwich Common. 



Vol. LIV. A Plate illustrative of the Menai Bridge. — A Plate illus- 

 trative of Mr. Lowe's Description of a Mercurial Pendulum. — A Plate 

 illustraijve of Mr. Hare's Calorinjotor, a new Galvanic Instrument. — A 

 Plate Illustrative of Captain Sabine's Paper on Irregularities observed in 

 the Direction of the Compass Needles of the Isabella and Alexander in 

 the late Voyage of Discovery ; and Mr. Scoreshy's Anomaly in the Va- 

 riation of the Magnetic Needle as observed on Ship-board. 



Vol, LV, a Plate exhibiting Sketch of the Comet's Path of July 1819, 

 — A Plate illustrative of the Annular Eclipse of the Sun on the 7th of 

 September pext. — A Plate illustrative of Mr. Lank's Instrument for 

 gathering Fruit; Mr. Young's Mode of preparing Opium from the 

 Papavi^ somniferumjdnd o[ C-Apt^'m Forman's Essay on a Property in 

 Light which hitherto has been unobserved by Philosophers. — A Phite de- 

 scriptive of Mr. Cuthbert's improved Hydro-pneumatic Apparatus,. &c. 

 »— A Plate illustrative of Capt. Forman's Essay on the Reflection, Refrac- 

 tion, and Inflection of Light, &c. ; and Mr. ChArlks Bonnycastll's 

 Communicacion respecting the Influence of Masses of Iron on the Maij- 

 n?r's Compass. 



Vol. LVI. A Plate illustrative of Mrs. Ibbetson's Paper on the Phy. 

 siology of Botany. — A Plate illustrative of Mr. Hall's Percussion Gun- 

 Lock; of Dr. Kitchiner's Pancratic Eye-Tube ; and of Mr. Park's 

 Moorir.g Blocks. — A Plate exhibiting Sections, &c. of Mr. Malam's im- 

 proved Gas-Meter.— <\ Plate exhibiting the Discoveries made by Capt. 

 Parry in the Polar Sea. 



Vol. LVII. A Plate illustrative of Mess. CErsted and Ampere's 

 Electro-magnetic Experiments, and Mr, Picrkins's P.iper on the Com- 

 pressibility of Water, — A Plate illustrative of Mr. Jamieson's Marine 

 Thermometer Case, and Mr. Jennings's Mercurial Log-Glass. 



