G L A 
208 
preferving pieces of anatomy, or natural bif- 
tory, in fpirituous liquors - Le Cat 
Continued Le Cat 
On the cryftallizations obferved on glafs Keir 
Glass (Optics). An account of the improvement 
of optic glafles - Campani 
— — — Mr. Hook’s treatife entituled, An account 
of micrographia, or the phyflological defcrip- 
tion of minute bodies made by magnifying 
glafles - - Oldenburg 
Judgment touching the apertures of objecf 
glades and their proportions, in refpedt of the 
feveral lengths of telefcopes, together with 
table thereof - Auzout 
— Confiderations upon Mr. Hook’s new inftrument 
for grinding of optic glafles - Auzout 
Mr. Hook’s anfwer - Hook 
- ■ A farther account touching Signor Campani 
book and performances about optic glafles 
- Auzout 
Sig. Campani’s anfwer, and M. Auzout’s ani 
madverfions thereon Campani and Auzout 
— - — Of M. Hevelius’s promife of imparting to the 
world his invention of making optic glafles 
and of the hopes given by M. Hugens of Zu- 
lichem, to perform fomething of the like na- 
ture; as alfo of the expeditions conceived of 
fome ingenious perfons in England to improve 
telefcopes Hevelius , Hugens , and Vu-Sons 
— Of M. de Sons progrefs in working parabolar 
glafles - - Oldenburg 
— Infiance to Mr. Hook for communicating a con- 
trivance of making, with a glafs of a fphere of 
20 or 40 foot diameter, a telefcope drawing fe- 
veral hundred feet; and his offer of recom- 
penfing that fecret with another, teaching to 
meafure with a telefcope the diflances of ob- 
jects from the earth - Auzout 
■ — An account of the trials made in Italy of Cam- 
panics new optic glafles - Anon . 
— — A method by which a glafs of a frnall plano- 
convex fphere may be made to refradt the rays 
of light to a focus of a far greater diftance than 
ia ufual - - Hook 
— » A conteft between two arrifts about optic glafles 
- - Ciampani and Divini 
Tranf. 
Abridg. 
XL VI 6 
— 88 
LXVI 530 
— *349 
I 2 
1 »93 
Jfc 
I 27 
— 55 
I 191 
“ 56 
— 63 
~ 215 
192 
— 69 
— 74 
-98 
— 193 
— ri 9 
— 122 
— 131 
I 485 
— 202 
1 193 
— 209 

~ An 
