ENGRAVING5. 

 — Apparatus for consuming Fire-damp in the Mine — and Apparatus for 

 re-liehting the Miners' Davy. — A Plate illustrative of the New Patent 

 Horizontal Water-Wheel of Mr. Adamson. — A Plate illustrative of Mrs. 

 Ibbetson's Theory of the Physiology of Vegetables. — A Plate to illus- 

 trate Mr. Dickinson's new System of Beaconing. 



Vol. LI. A Plate illustrative of Mr, Cap el Lofft's Paper on the 



Probability of Meteorolites being projected from the Moon Two 



Plates : one, of Mr. H. Tritton's Improved Apparatus for'Distillation ; 

 andanother, of the Figures In Bradley's Gardening illustrative -of the Ar- 

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

 per on the Anatomy of Vegetables; andMr.TREDGOLD's on Revetements. 

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

 creaser for the unerring Manifestation of sroall Portions of the Electric 

 Fluid. — A Plate illustrative of Mrs. Ibdetson's Paper on the Fruciifica- 

 tion of Plants. — A Plate illustrative of the Rev. John Michei,l's Theory 

 of the Formation of the Earth. — A Plate illustrative' of Capt. Kater's 

 Article on tlie Pendulum ; and New Apparatus for impregnating Liquids 

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

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

 poisonous Fangs of Serpents. 



Vol. LII I. A Plate illustrative of Dr. Ure's Experiments on Caloric, 

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

 on the Purification of Coal Gas. — A Plate representing Mr. Renuie's 

 Apparatus employed in his Experiments on the Strength of Matei-ials; 



and the Marquis RiD0L?Hi'3 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 Gregos.y'c 

 Paper on tJie different Rates of Pennington's Astronomical Clock attlie 

 Island ofBalta, and at Woolwich Common, 



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

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



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



Plate Iilastnative 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. Scores by'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 Aunular Eclipse of the Sun on the 7th of 

 September next. — A Pl^ie illustrative of Mr. Lane's Instrument for 

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

 Papaver somniferum; and of C.iptifin Forman's Essay on a Property in 

 Light which hitherto has been unobserved by Philosophers, — A Plate de- 

 scnptiveof Mr. Cuvhbprt's improved Hydrcpneumatic Apparatus, &c, 

 J A Plate illustrative of Capt. Forman's Essay on the Refli>ct!on, Refr-.c- 

 tion, and Inflection of Light, &c. ; and Mr. Charles Bonntcastlk's 

 Communication respecting the Influence cf Masses of Iron on the Mari- 

 ner's Compass. 



Vol. LVI. A Plate illustrative of Mrs. Iibetson'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 

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

 proved Gas-Meier. 



