Boyle, Robert New experiments physico-mechanicall, touching the spring of the air and its effects 1660

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<emph type="italics"/>Bubble of Gla&longs;s) &longs;ets down his thoughts con&shy;<lb/>
cerning the &longs;trange exuperancy of &longs;trength <lb/>
in Air, agitated by heat, above what the <lb/>
&longs;ame has unagitated,<emph.end type="italics"/> 283 &amp;c. <emph type="italics"/>And then pro&shy;<lb/>
ceeds to the examination of the weight of the <lb/>
Air by an<emph.end type="italics"/> &AElig;olipile, <emph type="italics"/>and compares the re&longs;ult <lb/>
thereof, with that of<emph.end type="italics"/> Mer&longs;ennus, 286. <emph type="italics"/>The <lb/>
Opinions and Experiments of divers Au&shy;<lb/>
thors, and &longs;ome of his own, touching the <lb/>
proportion of weight betwixt Water and Air, <lb/>
are compar'd and examin'd by the Author,<emph.end type="italics"/><lb/>
288. <emph type="italics"/>The re&longs;ult thereof,<emph.end type="italics"/> 290. Mer&longs;ennus <lb/>
<emph type="italics"/>his ob&longs;ervation reconcil'd, with that of the <lb/>
Author; and the proportion between the gra&shy;<lb/>
vity of Water and Air about<emph.end type="italics"/> London, 291 <lb/>
&amp;c. <emph type="italics"/>After the recital of the Opinions of &longs;e&shy;<lb/>
veral Writers, touching the proportion of <lb/>
gravity between Water and Quick-&longs;ilver, <lb/>
the Author &longs;ets down his own tryals, made <lb/>
&longs;everal ways, together with his conclu&longs;ion <lb/>
therefrom,<emph.end type="italics"/> 293 &amp;c. <emph type="italics"/>The u&longs;e he makes of this <lb/>
inquiry for the ghe&longs;sing at the height of the <lb/>
Atmo&longs;phere,<emph.end type="italics"/> 297. <emph type="italics"/>What other Experiments <lb/>
are requi&longs;ite to the determination thereof.<emph.end type="italics"/><lb/>
299 &amp;c. </s></p>

<p type="main"> <s><emph type="italics"/>The<emph.end type="italics"/> 37<emph type="sup"/>th<emph.end type="sup"/> E<emph type="italics"/>xperiment, touching the &longs;trange <lb/>
and odde<emph.end type="italics"/> Ph&aelig;nomenon, <emph type="italics"/>of the &longs;udden fla&longs;h&shy;<lb/>
es of light in the cavity of the Receiver; the <lb/>
&longs;everal circum&longs;tances and difficulties of it,<emph.end type="italics"/>