ie ENGRAVINGS. 
wa Vol.LIV. A Plate illustrative of the Menar Baince.—A Plate illus- 
ative of Mr. Lowe’s Description of a Mercurial Pendulum.—A Plate 
MMustrative of Mr. Hare’s Calorimotor, a new Galvanic Instrument.—A 
ate illustrative of Captain Sasrne’s Paper on Irregularities observed in 
e Direction of the Compass Needles of the Isabella and Alexander in 
fe late Voyage of Discovery ; and Mr. Scorzssy’s Anomaly in the Va- 
wsation of the Magnetic Needle as observed on Ship-board, 
Vol. LV. A Plate exhibiting Sketch of the Comet’s Path of July 1819. 
M-A Plate i ive of the Annular Eclipse of the Sun onthe 7th of 
A Plate illustrative of Mr. Lane’s Instrument for 
Mr. Younc’s Mode of preparing Opium from the 
3 and of Captain Forman’s Essay on a’ Property in 
o has been unobserved by Philosophers,—A Plate de- 
THBERT’s improved Hydro-pneumatic Apparatus, &c. 
ve of Capt. Forman’s Essay on the Reflection, Refrac- 
n of Light, &c.; and Mr, Cuarres Bonnycast it’s 
respecting the Influence of Masses of Iron on the Mari-- 
Md Fe 
is : 
Q 
Plate illustrative of Mrs. Iaserson’s Paper on the Phy- 
y-—A Plate illustrative of Mr. Hatv’s Percussion Gun- 
ircuiner’s Pancratic’Eye-Tube; and of Mr. Pagx’s 
» by Mr. 
Apparatus,byMr.Tarum,. = i 
LVIII. A Plate illustrative of Mr. Geo, Innes’s Calculations of 
ular Eclipse of the Sun, which will happen on the 15th of May 
Plate descriptive of the Hydrostatic Balances of Isatax 
-and Dr. Coares.—A Plate illustrative of “ An Introduction te 
nowledge of Funguses.”—A Plate illustrative of Professor Davy’s — 
tometer, and of ‘Mr. Joun Murray’s portable Apparatus for restor= 
ction of the Lungs.—A Plate by Porrer, illustrative of Mr. 
’s Account of the Native Copper on the Southern Shore of , 
and of Dr, Mitvar’s Observations and Experiments on 
of Jericho.—With a Portrait of the Epiror, engraved by 
; ig by Frazer ;—and a Plate by Porrsr, illus- 
“Appendage to Torrr’s Blowpipe. 
 Appendages; Mr. Moore’s new Apparatus for restoring the 
the Lungs in Cases of suspended Respiration ; and Dr. Reape’s 
cation on Refraction. ~ oN . 
