C L O 
IOi 
Jamaica, by Colin Campbell, concerning the 
going of a clock, in order to determine the 
difference between the lengths of ifochrona! 
pendulums in thofe places Bradley 
An account of the influence which two pendu- 
lum-clocks were obferved to have upon each 
other - - EHicott 
Subjed continued - Ellicott 
■ A defcription of a clepfydra, or water-clock 
- - - Hamilton 
- — n Two methods by which the irregularity of the 
motion of a clock, arifing from the influence 
of heat and cold upon the rod of the pendu 
lum, may be prevented - Ellicott 
«— Letter concerning the inventor of the contriv- 
ance in the pendulum of a clock to prevent 
the irregularities of its motion by heat and 
cold - - Short 
- Obfervations on a clock of Mr. John Shelton. 
made at St., Helena - Majkelyne 
— Obfervations for proving the going of Mr. El- 
licott’s clock at St. Helena Mafon 
» An account of Mr. Mafon’s paper concerning 
the going of Mr. Ellicott’s clock at St. Helena 
- Short 
* Remarks on the foregoing account Majkelyn , 
Agronomical obfervations made in the Forks of 
the river Brandivine in Pennfylvania, for de- 
termining the going of a clock fent thither by. 
the Royal Society, in order to find the differ- 
ence of gravity between the Royal Obferva- 
tory at Greenwich, and the place where the ; 
clock was fet up in Pennfylvania 
r Mafon and Dixon LVIII 329 
— An account of the going of an agronomical 
clock - - Wollajion LXI 
— — - See Pendulum , Watches . 
Clogher. An account of the fubfiding or finkin 
down, of a hill near Clogher in Ireland 
Bifhop of Clogher XXVIII 267 
Cloth. A new engine to make linen-cloth without 
the help of an artificer De Gennei XII 1007 
Clouds. An attempt to folve the phenomenon of 
the rife of vapours,, formation of clouds, and 
defcent of rain - Dejaguliers XXXVI 6 
Extracts of two letters relating to the extrading 
' * mut\ xl vii 553 
Tranf. 
Abridg. 
XXXVIII302 
VII 238 
XL I 126 
— 128 
VIII 246 
XLIV 1 711 
X 428 
XL VII 479’ 
— vr 
LIT 434 
— 534 
— 540 
LIV 380 
eiedricity from the clouds 
IV 2 250 
1 5 oi 
VI 2 61 )• 
Clouds, 
