Conia OF Nuwaee 289, 
‘LIL. Some Experiments made with a view to” the pee 
AW tection and Prevention of Frauds in the Sale of skimmed ~ 
mee Milk; together with an Account of a simple Lactometer — 
Nae for effecting that Purpose.. By Epmunp Davy, Esq. Pro- + 
& fessor of Chemistr y and pak etary to the Royal Cork Insti-+ © 
tution. 4 Page 24 ! 
“LUT Tectnict on of a new Method of forming Cruciz- 
f bles. By Mr. Cuartes Cameron, Glasgow. eee y o47 
TARE On Refraction. By J. Reapt, M-D. - ey Pe 
LV. Process for preventing and correcting an Imperfec. ee 
tion in Wi ines know by the Name of Ropiness. By M.. 
) HIERPIN. | 
LVI, On Nasi: s Rules of the Circular Parts, By : 
25 
© Jamns Ivory, M.A. F.R. ae S 
LVII. A Refutation of Mr. Herapatn’s. s Makhemumeal | 
Inquiry into the oo Laws, &c. of Heat, Gases, ao a \ 
N tion, &c. - es 
OU §) 
LVIII. True =ppavent Rives Ascension of Dr. Mash KE- a 
tyne’s 36 Stars for ey Day-i in the Year 1821. By the: % 
S Rev. J. Groony. > - eo ee BEBE P 
LIX. Theorems for the Sunimation of Bae ar Se. 
aS ries. By Mr. James Benwetu. — 265. : 
LX. Proposal for an Apparatus for Flying by means of 
26 
y Motion only. By A CorresPonpenr. . 
ee 
LXI. A Demonstration cf Le Geypre’s Theorem for 
solving such spherical Triangles as have their Sides very © 
& small in proportion to the Radius of the Sphere. are Ji AMES 
Ivory, M.A. F.R.S.. = 
LXiI. On the Change of Colour in Blae vegetable Co oe 
5 . 3 
z lours by-metallic Salts. - By Mr. J. Murray. fe LS 
LXIff.; On the Solar Eclipse of the 7th September 
1820; being a Com: parison | of restate with some of the 
i By. Mr. Gunns INNES, Y Sai 
LXIV. Account of a gene oe for restorin; 2 = 4 
th 9 
* Action of the Lungs. By Mr. Joun Mueray. = 
LXV. An Account of the Comparison of various British 
Standards of linear Measure. By Capt. Henry Karer, 
YELRS.&e. - “280 gh 
by Ry 
LXVI. On Shot Cireidebss By Mr. Josera Sreevens. 2 
LXVII. Remarks tending’ to facilitate the Analysis of » 
Spring and Mineral Waters. By Mr. Jonn Darton, “ 
LXVilI. Notices respecting New Books. 
LTS, Pr oceedings of Learned Societies. ‘ 
LXX, ce eee and ipa ne Articles, 
RICHARD ‘AND Z ARTHUR TAYLOR, PRINTERS, SHOE Lane, LONDON, © 
i460 OP 
