[Retrospective marginalia:]
99second '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.
