[Retrospective marginalia:]
99[second '9' altered from '8']
a Leech in vacuo
Tbd
This done we put into the same Vessel, a Leech, which
notwithstanding the exhaustion of it, mov'd in it to & fro as when it was
full of Air. And this Animal did, as the Snails had done, get up to the Cover
of the Receiver. And thô in this
[ 'preternatural' deleted] Unusual & Incommodious Ambient we kept it
above ten Minutes, yet it lost neither Life nor Motion, thô upon the
letting in of the outward Air at the top of the Receiver; it seem'd to move to
& fro much more briskly than before.
[Retrospective marginalia:]
99.
We took {ounce} i of the Fibrous part of Human
Blood, & expos'd it
<to the Air> in a clear cak'd Glass in the Window of the
Room over the Laboratory
[ 'till' deleted] for several Weeks, till the Mass was dry &
pulverable, & then having it weigh'd it carefully found it to amount to
{drachm} iii - 5 gr.
[Retrospective marginalia:]
100
of that {lead} oare
they call steel oare, variously reducd.
{ounce} i of Steel Ore reduc'd with
[ 'the' deleted] Fluxe Powder yielded {ounce} {half} & 4 gr. of
Malleable Lead. Another ounce of the same Ore being reduc'd with the Metalline
Fluxe, afforded {ounce} {half} & 16 gr. of the like Lead.
[Integral marginalia:]
Dec. 17. 89 (margin, at first paragraph)
17. 89 (margin, at second paragraph)
19 (margin, at third paragraph)
Dec 31 (margin, at fifth paragraph)
Jan 1. 89/90 (margin, at seventh paragraph)
[Retrospective marginalia:]
Taken for white Amethyst (margin, at seventh paragraph)
four pieces of clear horn being
weigh'd were three dragme & g. IX & exposd to the
air all night in a window acquird g. X of Weight the
following morning.
A piece of pure {gold}
[space of 19-21 characters] weighd in the
{air} 54 g. 1/4 in {water} 51 g. 11/12 so that the proportion of its
weight to water of the same bulk is as 23 1/4 to 1.
Colcothar of {vitriol} in the air weighd {drachm} III g. VIII
<&> in water {drachm} II g.
XXV so that its proportion to water of the same bulk is
<as> 4 37/100 to 1.
Artif.
[ 'b' deleted] marcasite of {tin} weighd in {air} {ounce} II {drachm} VI {half} g. IV in {water} {ounce} II {drachm}
III g XV so that the proportion of
its
<weight> to water of the same bulk is as 6 85/97 to 1
The Glasse Bubble weighd in air {ounce} i
{scruple} ii g. vi in sea water
{drachm} i g. xxi. so that the
proportion of its weight to water of the same bulk is as 1 1/425 to 1.
In
[ 'sea' deleted] water destilld it weighd {drachm} i
g. xxviii.
Rock crystall in air weighd {drachm} iv g.
xvi in water {drachm} ii {scruple}
ii in oyle of Turpent. {drachm} ii
{half} g. xXx + so that the proportion of its weight to
an equal bulk of water is as
<12 20/100 to 1>[replacing '2 [?]0/100 to 1'] to that of oyle of Turp. as
[ '2 83/86[?] to 1' deleted] 2 94/100 to 1
The four pieces of horne after continuing a good while in the little
roome where it was very dry weighd at night {drachm} iii
g. vii & being exposd all night in a window which the
wind did blow upon with considerable Rain weighd {drachm} iii g. xvi.
