. ENGRAVINGS, Ae 
4] VoleXLV. A Plate to illustrate the Nourishment produced td the 
l@Plant by its Leaves.. By Mrs. Tsserson—A Plate to illustrate Mr, - . 
HBakewext’s Sketch of the Arrangement of the Rocks and Strataiin the _ 
SNorthern Counties of England.—Plates to illustrate Mr. Ropertson 
§iBucwanan’s Description of the Sieam-Boats.on the Olyde; and Mrs, 
isserson’s Paper proving that the Embryos of the Seeds’are formed in: 
Whe. Root alone.—A Plate’ to iliustrate Mr, Joun Warrers’s Improve- 
jfments in Naval Architecture.—A Quarto Plate on the Roots of Plants. — 
Plate of Mr. Sinctr’s Electric Columns; Mr. Wacxer’s Electrometer; 
#PXLocHoNn’s Apparatus for ascertaining the Heat of coloured Rays. 
@ Vol: XLVI. Mr.T. Jones's New Reflecting Compass.—Mr. Wootr’s 
Patent Boiler for Steam Engines and other Purposes.—A Plate to illus- 
jprate Mr. Wooxr’s Improvement on the Steam-Engine, by which the 
ippossibility of Steam escaping past the side of the Piston is effectually pre- 
gvented.—A Plate to illustrate some Electrical Experiments by M.DeNetrs 
(lof Malines; with an Extension of them by Mr. Since and Mr. Crosse. 
#—A Plate to’ illustrate the Electrical Experiments of M..Dez Ne is of 
}Malines—-W oorr’s improved Steam-Engine.—A Plate to illustrate Mr. - 
Evans’s Paper on guiding Balloons through the Atmosphere.—A ‘Plate 
Bilustrative of Dr, Brewster's Paper on Light.—A 4to Plate té illus. 
Mtrate Sir H. Davy’s Paper on the Fire-damp of Coal-Mines, and on Me: 
Wthods of lighting the Mines so as to prevent its Explosion; and the Ac-” 
Acount of Mr. SrerHenson'’s Safe-Lamp for Coal-Mines. . 
# Vol. XLVII. Illustrated with a Quarto Plate describing the Piani-' 
srHere of Denpera.—A Quarto Plate to illustrate Mr. Brown’s Paper 
of the Temple of Kournou at Thebes.—A Plate of the new Baths at _ 
Ramsgate, mph : pets pea ® 
| 
] 
\ 
Vol, XLVIH. A QuaztoPlate of the Strandior Waterloo Bridge erécted 
 Vol..L. A Plate to illustrate Sir Humpury Davy’s new Researches - 
on Flame, and Sir Georce Cayvey*s Paper on Aérial Navigation.— 
A Plate representing a Section of the Pneumatic Cistern with the Com- 
pound Blow-pipe of Mr. Hare; and a Sketch of a SteamsVessel in- 
‘tended tu run between London and Exeter,—Repiesenting Apparatus | 
for Sublimation of lodine-—Model of a Safety Furnace by Mr. Baxeweut 
2h aaa for consuming Fire-damp in the Mine—and Apparatus for 
xe-lig ting the Miners? Davy.” 
