ENGRAVINGS. 
Vol. LI. A Plate illustrative of Mr. Capex Lorrr’s Paper. on-the 
Probability of Meteorolites being projected from the Moon,—Two _ 
Plates: one, of Mr. H, Trirron*s-Improved Apparatus for Distillation ; 
_ and another, of the Figures in Brapiry’s Gardening illustrative of the Ar- 
» ticle on the Karemoscore.—A Plate illustrative of Mrs, Isperson’s Pa- 
" peron the Anatomy of Vegetables; and Mr. Trrrcgoxp’s on Revetements. 
| Vol, LI. A Plate illustrative of Mr. Urincron’s Electrical In- 
 ereaser forthe unerring Manifestation of small Portions of the Electric 
' Fluid.—A Plate illustrative of Mrs. Issetson’s Paper on the Fructifica- 
“tion of Plants. —A Plate illustrative of the Rev. Joun Micusxu’s Theory 
| of the Formation of the Earth.—A, Plate illustrative of Capt. Karer’s 
| Article on the 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. Smiru’s Essay on the Structure of the 
_ poisonous Fangs of Serpents. ea eorne ee 
~ Vol. LIII. A Plate illustrative of Dr. Ure’s Experiments on Caloric, 
© Mr. Lucxcocx’s Paper on the Atomic Philosophy, and Mr. Bouton’s © 
| on the Purification of Coal Gas.—A Plate representing Mr. Renwie’s 
| Apparatus employed in his Experiments on the Strength of Materials; 
| and the Marquis Ripotrui’s Improvement on the Gas Blow-pipe.——A 
| Plate illustrative of Mr. Merxie’s Paper on Calorific Radiation; Mr, 
) Lowe’s on the Purification of Coal Gas; and Mr, Hucues’s. on ascer- 
ti taining Distances. — A Plate illustrative of Dr. Orinruus Grecory’s 
|) Paper on the different Rates of Pennincton’s Astronomical Clock at the 
| Island of Balta, and at Woolwich Common, Mosk aren 
| Vol.LIV. A Plate illustrative of the Mewar Bripce.—A Plate illus: 
trative of Mr. T.owe’s Description of a Mercurial Pendulum.—A. Plate 
illustrative of Mr. Hart’s Calorimotor, a new Galvanic Instrument.—A 
) Plate illustrative of Captain Sanine’s Paper on Irregularities observed in 
_the Direction of the Compass Needles of thé Isabella and Alexander in 
» the late Voyage of Discovery ; and Mr. Scoressy’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 next.—A Plate illustrative of Mr. Lane’s Instrument for 
gathering Fruit; Mr. Younc’s Mode of preparing Opium from. the 
- Papaver somniferum; and of Captain Forman’s Essay on a Property in 
_ Light which hitherto has been unobserved by Philosophers.—A Plate de- 
scriptive of Mr. Curusert’s improved Hydrc-pneumatic Apparatus, &c, 
—A Plate illustrative of Capt. Forman’s Essay on the Reflection, Refrac- 
tidn, and Inflection of Light, &c.; and Mr. Cuartes Bonnycastie’s 
Communicasion respecting the Influence of Masses of [ron on the Mari- 
“ner’s Compass, ; 3 
| Vol, LVI. A Plate illustrative of Mrs. Ipperson’s Paper on the Phy- 
 siology of Botany.—A Plate illustrative of Mr. Hauv’s Percussion Gun- 
Lock; of Dr. Kircuiner’s Pancratic Eye-Tube; and of Mr. Parx’s 
_ Mooring Blocks. —A Plate exhibiting Sections, &c. of Mr. Mavam’s im- 
‘proved Gas-Meter.—A Plate exhibiting the Discoveries made by Capt. 
; ena% in the Polar'Sea, °(.06 1, : 
_ Vor. LVII, A Plate illustrative of Mess. CExsrep and Ampere’s 
| Electro-magnetic Experiments, and Mr. Perxins’s Paper on the Com- 
-pressibility of Water.—A Plate illustrative of Mr. Jamizson’s Marine 
‘Thermometer Case, and’ Mr. Jennincs’s Mereurial Log-Glass.—A Plate 
illustrative of Dr. Hare’s new Modification of Galvanic Apparatus,—A 
PY 
 gent’s Canal, by Mr. R. H. Gower ; and a Modification of Electro-Mag- 
netic Apparatus, by Mr, Tatum, eh Tees) 
Plate representing a Double Canal Lock, aa proposed for the Res Tibi 
