HEB 
HEN 
Heeerden, Thomas, M. D. Of the dif- 
ferent quantities of rain which appear to fail, 
at different heights, over the fame fpot of 
ground - 
— — - Obfervations of the immerfions and emer- 
fiens of Jupiter’s firft fatellite, made at Fun- 
chal, in Madeira, from 1763 to 1768, with 
a reflecting telefcope of eighteen inches 
focus - 
Hee, Christian. De preffionibus ponderum in 
Machinis motis 
Heinsius, Godfrey. A method of making 
gold-coloured glazing for earthen ware 
— Of the difappearing of Saturn’s ring in 1743 
and 1744 - 
UeisteR, Laurence, M. D. Account of a (tone 
in the bladder breaking fpontaneoufly, and 
palling through the urethra 
Hellins, Rev. John. Theorems for computing 
logarithms - 
Helvetius, Dr. Account of the Pareira Brava 
Henchman, Rev. . Obfervations on the effeCts 
which the farina of peas of different colours 
have on each other 
Henkel, Tilman. Obfervations on the earth 
on 
1755 : 
made at 
quake at Lifbon, Nov. 
Oporto 
Henley, William. Account of a perfon killed 
by lightning in Tottenham-court-road-chapel, 
and its effeCts on the building 
— — Experiments concerning the different efficacy of 
pointed and blunted rods in fecuring build 
ings againffc the ftroke of lightning 
■ An account of fome new experiments in elec-| 
tricity 
— Remarks on Mr. Haffenden’s account of the 
effeCts of lightning on a houfe furnifhed with 
a pointed conductor, at Tenterden in Kent 
— — Experiments and obfervations on a new appa- 
ratus, called a machine for exhibiting perpe- 
tual eleCtricity 
» *— '■ Experiments and obfervations in electricity 
Obfervations and experiments tending to con- 
firm Dr. Ingenhoufz’s theory of the eleCtro- 
phorus ; and to fhew the impermeability of 
glafs to the eleCtric fluid 
i*. 
4O 
Tranf. 
) 
LIX 359 
LX 502 
XLIX 1 
XL 1 I 188 
— 602 
XXXVII 13 
LXX 307 
XXIX 36s 
XLIII 526 
XLIX418 
> 
LXII 131 
LXIV 133 
389 
LXV 336 
LX VI 513 
LXVII 85 
LXVIII1049 
* 5 S 
Abl'idg. 
IX 49 9 
VIII 228 
VII 534 
V 404 
HeNRYj 
