ENGRAVINGS. 



Baader's Method of commuiMcating Rotatory Motion ; Lieut. Shuld- 

 ham's improved Method of wprking a Capstan ; and Steele's new Mo- 

 dification ot Nooth's Apparatus, &c. 



Vol. I>. A Plate to illustrate Sir Humphry Davy's new Researches 



on Flame, and Sir George Cayley's Paper on Aerial Navigation. 



A Plate representing a Section of die Pneumatic Gistern, with the com- 

 pound Blov.-pipe of Mr. Hare ; and a Sketch of a Steam-Vessel in- 

 tended to run between London and Exeter. — Representation of Appniratus 

 for Sublimation of Iodine — Model of a Safety Furnace by Mr. Bakewell 

 — Apparatus for consuming Fire-c amp In the Mine — and Apparatus for 

 re-lighting the Miners' Davy. — A Plate illustrative of the Nev.' Patent 

 Horizontal Water- Wheel of Mr. Adam son. — 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. Capel 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 ; 

 and another, of the Figures in Bradley's Gardening illustrative of the Ar- 

 ticle on the Kaleidoscope. — A Plate illnst«ative of Mrs, Ibbetson's Pa- 

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



Vol. Lll. 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 Earth. — A Plate illustrative of Capt, Kater's 

 Article on the Pendulum ; and New Apparatus for im.pregn.iting 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 ot Serpents. 



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

 Mr. Luckcock's Paper on the Atomic Philosophy, and Mr. Boi.To;-i's 

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

 Apparatus employed in his Experiments on the Strength of Materials; 



and the Marquis Ridolphi'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 Gregory's 

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

 Island of Balta, and at Woolwich Common. 



Vol. LIV. A Plate illustrative of the Menai Bridge. — A Plate illn'r- 



trative of Mr. Lowe's Description of a Merc^-al Pendulum. A PI:ite 



illustrative of Mr. Hare's Calorimotor, a new Cialvanic Instrument. .^ 



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

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

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

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



V»l. LV. a Plate exhibiting Sketch of the Comet's P.uh of.hily I SI 9. 

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

 Septe.nber next. — A Platp illustrative of Mr. Lane's Instrument fur 

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

 Pnpaver soviniferum} and of Captain Forman's Essay on a Piopertv In 

 Light which hitherto has been unubser%'ed by Philosophers. — A IMaie de- 

 scriptive of Mr. Cuthuert's improved Hydro-pncumatic Appanitus, &c. 

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

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

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

 ner's Compass. 



