The. Taste. 
explication of filtration, and feveral 
29 aR “ef 3fuch as the motion 
of Bodies on the furface of Liquors; fe- 
30 veral Experiments wtention d to this 
__-purpofe.Of the height to which the wa- 
ter may rife in thefe Pipes,and a conje- 
31 Pure about the juices of Vegetables, 
the ufe of their pores. A further expli- 
cation of Congruity:.4nd an attempt of 
folving the Phenomena of the firange — 
Experiment of the fufpenfion of the 
32 Mercury at 2 much greater height 
then thirty inches, The efficacy of ime- 
seediate contad, and the reajen of it. 
breaking and flawing of them, expli- 
— inthe fame man 
ner : fome other tryals, and a defcrip- 
1 tion f the tig kh 
conjedures atthe caufe of the Phx- 
- nomena,i#deavonred to be made pro- 
36 bable by feveral Arguments and Expe- 
riments.An Experiment of the expan- 
 fionof Water by heat,and fhrinking by 
cold + the like Proprieties fuppos'd in 
37 Glefdrops, and what effets proceed 
from them: the feven Propofitions on 
which the conjedures are grounded, 
Experiments to shew, that bodies ex- 
38 pand by heat. The manner of making 
Thermometers , avd the Inftrument 
3 , 39 for graduating thene, The manner of 
“graduating them, and their ufe- 0- 
ther Experiments to prove the expan- 
4° fron of bodies by heat.F our experimen- 
tal Arguments to prove the expanfion 
40 of Glaff by heat: Ferther grant digeils 
A which isexplicated.  Anexplication 
42 Omeooling. An explication bow the 
3 adr rete bent by fad- | reafons of 
cold, and how kept frome extrica- 
iis 
age 
os 
Figures:what other Bodies are-like it: 
ting themfelues by the contignation of — 
the Seren ; which a further ex-. 
plicated by another Experiment made , 
with a hollow Glafs ball: the reafon of 43 
the flying afunder of the parts further 
explicated : that ‘ta probable thefe be- 
diés may have many flaws, though uot 
vifible,and why: how a gradual heat- 
ing and cooling does put the parts of 44 - 
Gla, and other hardwed bodies , 
into a loofer texture. | 
Obferv..8. Of Fiery Sparks. ‘< ee 
The occafion and manner of ma- 
hing this Experiment: divers Obfer- 45 
vations fet down in order to the find 
ing out thereafous : fome conjetiures 
concerning it, which are endeavoured 
to beexphicated and confirm'd by fe- 
veral Experiments and Reafons: the 46 
Hypothefis # Little further: explica- 
ted, Some Obfervations about the 
Globular Figure: and an Experiment 
of reducing the filings of Tin or Lead 
to exattly round Globules. | 
Obferv, 9. Of Fantaftical Colours. 4_ 
The texture of Muftovy Glas its 
that it exhibits feveral colours , and bi 
how:fever al Obfervations and Experi- 
ments about 
till it become colour'd. Secondly, by 
producing all kinds of colours with 
two flat Plates of Glafs,. Thirdly, by 
| blowing Gla fo thin im the Lamp, till : 
| a eee : 
Of the contratting of heated Glaf np- | doing the with Bubbles of di- 
4 alling of ad vers other tranfparent pte the 
efled. Fourtbly,by 
: the colours on nealed Steel, 
where by the may the. canjes of the 5? 
 hardning © 
eRe chat ai.  s  eiR iuiteheitniiiemenain sine eis a 
lpn 
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