> gs 
E . di é 
ote ain cle ole clo ate ote ale te cl ote ale abe ale ote ale ole ale ols cle ofe 2 
PaO Tetate Ta : oA 7 AP : le ofe obo ake ote 
BQO ARS. y ane Ste t xg IDs @ ORORE 2 2582 Heo 
Gied Cis y BHD BHD DOWD BT: CHABAD HIGHS AOE ; DOwaGHar A Feo 
Ce Us GS GS GIBogs p> USSU CR SERESES ae pee 
Pag. : 6 Stet 
1 Obfervat.1..Ofthe point of a Nee- 
4 - Deleription of it: what other 
A Bodies have the fharpeft points : 
of the ruggednefs of polifht Atetal. A 
3 defcription of a printed point. Of ve- 
ry {mall writing, and the ufe of zt for 
fecret intelligences the caufe of the 
courfnefs of printed lines and points- 
3 A defeription of it 2 the caufes of 
5. its roughnefe: of the roughnefs of very 
well polifht optick Glaffes. 
-. Obler.3OF fineLawn, 
| A defeription of it: A filken Flax 
mention dan attempt to explicate the 
Phenomena of it, witha .conjecture 
at the caufe of the glofvof Silk. 
Obferv. 4. OF Tabby. 
- A fhortdelcription of it. A conje- 
7 dure about the reafom why Silk % fo 
> fifeeptible of vivid colours: and why 
Flax and Hair is not. A conjecture, 
°< that it may perhaps be poffible to fpin 
a kind of artificial silk out of fome 
THE T 
f es Obferv.2. Of the Edge.of a Razor. 
iss’ 1% aa Pe Sa 0 VSbh 
he, has nace SAC oe hee Pag. 
fome other Phenomena. mention'd 10 
depending on the fame canes 
ia Obferv: 6 Of Glaf-Canes. 
‘The exceeding fmalnef of fome of 
thefe Bodies . By ae oar. sob 
lownefs of thefe farall pipes was difco- 
ver d: feveral Phenomena of it men- 11 
tion'd. An attempt to explicate then 
from the congruity and incongruity of 12 
Bodies: what thofe proprieties are. A 13 
Aypothetical aah: fat sof 
the fluidity of the air,and feveral other 14 
Phenomena of 7t : of congruity @ in- 15, 
congruity; illuftrated mith several Ex- 16 
eriments:what effets may beafcrib'd 17 
to thefe properties - an explication of 18 
the roundnel® of the furface of finid 
Bodies : how the ingrefs of fluid bodies 19 : 
into a fimall hole of an heterogenious 20 
body is hindred by,incougruity; a 
wmltitude. of Phenomenaexplrcable 23 
hereby. Several Queries propounded , 
1. Concerning the propagation of light « 
through differing mediums: 2. Con- 22 
cerning Gravity. 3. Concerning the 
roundnefs of the Sun, Moon, and Pla~ 
nets. 4. Concerning the roundnefi of 
Fruits, Stones, and divers artificial 
Bodies. His Highnefs Prince Ruperts 23 
way of making Shot. Of the roundnefs 24. 
glutinows fubftance that may equalize | of Hail. of the grain of Kettering 
auietid oe yy cs yt | Stonezand of the Sparks of fires5.Con> 25 
Ma Teles Yo ths 9 Sous | cerming. fpringy ‘and tenacity. 
- Obfery. 5. OF water'd Silks, 
? gee Fe A as AN e % Aes : veh 
~ © \ghepreat unaccuratenels of artifi- 
cil ior hes 8 defeription Piece |e concerning tbe uviverfality of this 28 
water d Silk; an Explitation of the 
cane of the Phenomena’ ‘the way by 
“< which that operationvisperform'd 
* 
3 HAC 
6) Concerning the original, of Foun- 26 
tains; feveral Hiftories amd Expert 
ments relating thereto..7.Concerning 27. 
the. diffolution of Bodies in:Liquors. 
Principles what method was taken in 
making andapplyingexpermments. T he 
explication — S 
= 
