ENGRAVINGS. 
LIV. .A.-Plate illustrative of the Mewar Baswcr:=A Plate illus.” 
e of Mr. Lowe’s Description’ of a Mercurial Pendulum.—A Plate 
str: tive of Mr. Hare’s Calorimotor, a new Galvanic Tnstrument.—A 
of Captain Sapine’s Paper on Irregularities observed in’ : 
of the Compass Needles of the Isabella and Alexander in 
ge af Discovery; and Mr, Scorgssy’s Anomaly in the Va- 
Needle as observed on Ship-board., 
x Sketch of the Comet’s Path of July 1819. 
Annular Eclipse of the Sun-on the 7th of 
Plate illustrattve of Mr. Lanz’s Instrument for | 
re ¥ *s Mode of Preparing Opium from the 
nd of Captain: Forman’s Essay on a Property in 
a been unobserved by Philosophers.—A Plate de- 
improved Hydro-pneumatic Apparatus, &c. 
ight, &c.; and Mr. Cuartes Bonnycastie’s- 
mn_respecting the ee uence of Masses ee Tron on the Mari F 
ae ah of Mr. Pann’ s 
Die of Mr, MAvam’s im- 
te! ve of Mr. Jamieson’s Marine 
ercurial Log-Glass—A Plate | 
Galvanic Apparatus—A 
inally proposed for the Re- 
me aeeaion of Blectro-Mags: 
Geo. Innes’s ‘Calenlations ae 
happen on the 15th of May 
Hy ros tue Balances of. Isaraw 
e a Pee illustrative Sof Mr 
‘Copper-on the Southern Shore of 
TRAIT of the. Ebiror, engraved by — 
Pppendage to ‘ToFET’s ‘Blowpipe. 4 
ustra > of Mrs. Inserson’s paper On the 
hrough the Wood.—A Plate descriptive 
n determining Altitudes from the Trigono- 
Moor, Varkshire.-A: Plate illustrative of - 
1 Lines inGeometry; Mr. Lerson’s Safety - 
Moore’s new Apparatus for restoring the | 
uungs in £ suspended Respiration ; and Dr. Reave’s 
unication on Refraction.—A Plate iJlustrative of a curious Electro- 
tic Experiment | by Mr. Baavow; and Mrs. Teserson’ s Paper on - 
a1) alleged to take ye in Plants. 
‘Capt. Forman’s Essay on the Reflection; Refrac- 
1M: oes 3 Hager on the ee i 
Observations and Experiments on ~~ 
ER;—arda P lite by Portgr, illus- 
