ENGRAVINGS. 



Vol, LI. A Plate illustxative of Mr. Capfl Lofft's Paper on die 

 Probability of Metenrolites being pioje.ted from the Moon. — Two 

 Plates : one, of Mr. H. Tritton't Improved Apparatus for Distillation' ; 

 andanother, of the Figures in Bradley's Gardening illustrati.ve of tlie Ar- 

 ticle rn. the Kaleidoscope. — A Plate illustrative (U'Mrs, Ibbetson's P;U 

 peronthe Anatomy of Vegetables; and Mr.TRncGOLD's on Revetcments^ 



Vol. LII. A Plate illustrative ^f Mr. Upington's Electrical 1^1- 

 creaser for the unerring Manifestation of small Portions of the EleCtiic 

 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 Eartli. — A Plate illustrative of Capt. Kater's 

 Article on the Pendulum ; and New Apparatus for impregnating Liquids 

 •with Gases. — A Plate iilusirative of LSir H. Davy's ApparatusVur Vola- 

 tilization of Pliosphorus, and Mr. Smith's Essayon the Structur*? of the 

 poisonous. Fang*; of Serpents. 



Vol. LIIl. A Plate illustrative of Dr. Urb's Experiments on Caloric, 

 Mr. Lvckcock's Paper on the Atomi- Philosophy, and Mr. Bolton's 

 on the Purification oi Coal Gas. — A I'late representing Mr. Remnie's 

 Apparatu": empl.''>yed in his Experiments on the Strength of Matecials; 

 and the Marqrjs Ridolphi's Improvement on t!ie Gas Blow pipe, — A 

 Plate illusv-.itive of Mr. Meikli;'s Paper on Calorific Radiation:. Mr. 

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

 taining Distances. — A Plate ilhistrative of Dr. Olinthus Gp-egory'is 

 Paper on the different Rates of Pennington's Astronomical Cloc!: at the 

 Island of Balta, and at Vv^oolwicli Common. 



Vol. LIV. A Plate illustr^jitive of the Menai Bridge. — A Plate illu5- 



I trative of Mr. Lov/e's Description of a Mercurial Pendulum.— A Plate 



illustrative of Mr. Hare's Calorimotor, a new Galvanic Instrument. — A 



It Plate illustrative of Captain Sabine's Paper on Irregularities o'oserved in 



I; the Direction of the Compass Needles of tlie Isabella and Alexander in 



ij;the late Voyage of Discovery ; and Mr, Scorrsby's Anomaly in the Va- 



1' riation of the Magnetic Needle as observed on Ship-board, 



I Vol. LV. A Plate exhibiting Sketch of ihe Comet's Path of July ]8If>. 



—A Plate illustrative of the Annular Eclipse of tiie Sun on the Ttli of 



September next. — A Plate illustrative of M^. Lane's Instrument for 



gathering Fiiiit; Mr. Young's Mode of preparing Opium from liie 



' Pfipaver somniftrum; and of Captain Format's E'^^say on a Property in 



Light which intlierto lias been unobserved by PJiilosophers. — A Pl.ite d.'- 



'scriptiveof Mr. Cuthuekt's improved Hydro-pneumatic Apparatus, &c; 



^A Plate illustrative oi Capt. Forman's Essayon the Refl 'ciinu, Rcfinc- 



titn, and Inflection of Lig.'it, &c. ; and M-. Charles Bo^nycastle's 



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



n r's Compass. 



Vol. LVT. A Plate illustrative of Mrs. Icbetbon's Paper on the Pliy. 

 Mgy of Botany. — A Plate illustrative nf Mr. Hall's Prrcnssion Gun- 

 ! k; of Dr. KiTCHiNtR's Pancratic Eye-'l'ul)e ; and of Mr. Park's 

 ■ring Blocks. — A Plate exhibiting Sections, &c. of Mr. Malam's ini- 

 . cd Gas-Meter. — 1\. Plate cxiiibiting the Discoveries made by Capt. 

 RY in the Polar Sea, 

 \.)L. LVII. A Plate illu'trativc of Mess. QiTRSTF.p and Ampere's 

 . ciro-magnetic Expcrimems, and Mr. P!;rkins's P.ijier on the Com. 

 priss:i>ility of Water. — A Plate illustrative of Mr. Jamieson's Marine 

 Theinionicter Case, and Mr. .Ii-nnikgs's Mercurial LogGhiss.. — A Plate 

 lUustrHlive ol Dr. Hare's new Modification u( Galvanic Apparatus. 



