ay 
Miossaceseahd 
fiderable thicknef, I obferv'd that both the upper and: the under fides 
of it were curioully quill'd, furrow'd, or grain’d, asit were, which’ when 
the Sun thone on jhe Plate, was exceeding eafily to be perceiv'd to be 
much aftér the fhape of the lines in theé. Figure of the 8. scheme, charis, 
-confitted of feveral ftreight ends of parallel Plates, which were of 
ones lengths and arigles toone another without any certain order.) > 
“Sab caufe of all which regular Figures (and of hundreds of others, 
of Salts, Adinerals, Metals, &c. which I could have here inferted, 
woud it'nof have been too long) feemsto be deducible from the fame 
Print es. which Ihave (in the 13. Objéroation) hinted only, having not 
yet had time to compleat a Theory of them. But indeed (which'T there 
alfo hinted) I judge it the fecond ftep by which the Pyramid of natue 
ral knowledge (which is the knowledge of the form of bodies) is to 
be afcended: And whofoever will climb it, mut be well furnifl’d 
with that which the Noble Verulam calls Scalans Intellettus s 3 he muft 
have fcaling Ladders, otherwile the fteps are fo! large and high, there 
will be foe ing up them; and confequently little hopes of attai 
any higher eae fuck as to the metry 2 e of the moft fimple principle 
of Vegetation manifefted in Mould and Mufhromes, which, as I elfe- 
where endeavoured to'fhew, feems to be the third fteps for it feemsto 
me, that the Intellect of manis like his body, ‘deftitute of wings, and 
cannot move from a lower toa higher and more fublime ftation of know- 
led sotherwife then ftep by ftep,nay even there where the way is meee 
already made paflible'sias in the Elements of Geometry, ot thie like 
whereit is Tain tosis actehole fori of Propobtione by depeted betirt 
It attains the knowledge of one Probleme. But if the afcent be dif- 
ficult and above its- reach, it muft have recourfé to a moonm organum, 
fome ‘new engine and contrivance, fome new kind of Algebra, ot Analy- 
ok art before it can parison Bt, ctid 
o +7) 
ot = 3% 2 ti : SES 0% Cet" Vee tia gore do RPh ee et Sd Adee OE 
Obfery.' XV. i Kialitte al! ed dickchinel 
"E59 OBA (.boncliaam ylsia! yew ons 
“Tr His Stone whichis brough a Bd end v re eter and Schem. 9. 
St. dige’d out er Obr , as F ih ni ee has a grain altogether “8 * 
table, ‘nor have ¥ ever cen or héard ‘other fone that has the 
- Tt is made vip of an iy ibantieaBle ae fy of final bodies, not all 
the fame cize orfhape, but for the tnolk | Ee hich ERE from 
< re lat form, “hor exceed vse one another in Distneter above ie 
fou i bee they ea eae 
