_ ENGRAVINGS: 
¥ Not XLV. A Plate to illustrate the Nourishment cated to the 
“Blant by: its. Leaves. By Mrs. Isserson.—A Plate to illustrate Mr, 
\AKEWELL’S Sketclr of the Arrangement of the Rocks and Strata in the 
Mlorthern Counties of England. —Plates to illustrate Mr. Robertson 
Pucwanan’s Description of the Steam-Boats on the Clyde; and Mrs. 
Esserson’s Paper proving that the Embryos of the Seeds are formed in 
ae Root alone.—A Plate to illustrate Mr.Joun Watrers’s Improve- 
af late of Mr. Sincer’s Electric Columns; Mr. Warxer’s Electrometer; 
Rocnon’s Apparatus for ascertaining the Heat of coloured Rays.. 
N Vol. XLVI. Mr.T. Jones’s New Refie ecting Compass.—Mr, Woo tr’s 
atent. Boiler for Steam Engines and other Purposes.—A Plate to illus- 
“possibility of Steam escaping past the side of the Piston is effectually pre- 
‘rented, —A Plate to illustrate some Electrical Experiments by M.DeNetis 
“bf Malines; with an ‘Extension of them by Mr, Sincer and Mr. Crosse. 
A Plate to illustrate the Electrical Experiments of M. De Nauis of 
Malines.—W ooxr’s improved Steam-Engine.—A Plate to illustrate Mr. 
WANS’S: Paper ‘on guiding Balloons through the Atmosphere,—A Plate 
rate Sir H, Davy’s Paper on the Fire-damp « of Coal-Mines, and on Me- 
Phods of lighting the Mines so as to prevent its Explosion; and the Acs 
fcount of Mr. Srerwenson’s Safe-Lamp for Coal-Mines. ° 
@sruere of Denpera.—A Quarto Plate to illustrate Mr. Brown’s Paper 
(fon ‘Architecture.—A Plate to illustrate Sir Grorcre CayLEy’s Paper on 
PAérial Navigation; and Mr. Lonbon’s Hydrometer—A Quarto Plate 
Tover the Phaines at the Savoy, piel plane Plate to illustrate 
§ Mrs. Ibbetson’s Paper on the Physiology of Vegetables.—A large Quarta 
of Vegetables ; and Mr. Morway’s Mass of Native Iron found i in Brasil, 
Mr. Anprew Horn’s Paper on Vision.—A Quarto Plate to illustrate 
Mrs, Isserson’s Physiology of Vegetables.—A Plate to illustrate the 
Solar Spots which. appeared during’ ‘the Year. 1816;—and Mr, Bevan’s 
Improvement on the Sliding-Rule,—A Plate descriptive of Mr. Em= 
‘the Sun, &c:; also a New Reflecting Goniometer.--A Plate to illustrate 
Chevalier Baaprr’s Method of communicating Rotatory Motion ; Lieut, 
‘igh Modification of Noorn’s Apparatus, &c. 
Vol. L. A Plate to illustrate Sir Humpxry Davy’s new ieee 
ey Flame, and Sir George Cayvey’s Paper on Aérial Navigation. 
MA Plate representing a Section of the Pneumatic Cistern with the Com, 
-pound Blow-pipe of Mr. Hare;/and a Sketch of .a Steam-Vessel. in, 
for Sublimation’of Todine—Model of a Safety Furnace by Mr. Baxrwett 
Apparatus f for consuming’ Fire-damp in the Mine—and Apparatus for 
ve-lighting ‘the Miners’ Davy..-—A. Plate illustrative of the New Patent 
‘iia aes laa of, Mr, ADAMsaQNy,. 
ifrate Mr. Wootr’s Improvement on the Steam-Engine, by which the- 
# lustrative of Dr. Brewster's Paper on wight: —A 4to Plate to illus.’ 
} of the’ se of ee at ‘Thebes.-——A: Plate of the new. Baths at 
4#Mrs. lusetson’s Anatomy of Vevetables—A Quarto Plate to illustrate 
‘mett’s Instrument for the Measurement of the Moon’s Distance from” 
Lan to run between London. and Exeter,—Representing Apparatus ; 
ifnents in Naval Architecture.—A Quarto Plate on the Roots of Plants.— _ 
_ Vol. XLVIL. Illustrated with a Quarto Platé ‘describing he Plage sf 
Plate to illustrate Mrs, Inzerson’s Paper ona néw View of Vegetable Life. _ 
#---A Quarto Plate to illustrate Mrs. Isderson’s Paper on the, Physiology. 
Vol. XLIX. A Plate to illustrate Dr, Evans's - Communication on 
Terrestrial Ma netism ; a new Electro-atmospherical Instrument ;'and: 
‘Saurpuan’ s improved Method: of working a Capstan ; and Srsune S:: 
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