(786) 
ever -in ufelefe Notions and infignificant* Generals,but to fearch 
after the Knowledge of thofe things which really enoble and 
enrich the Mind^ and are beneficial to the Life of man. Bur, 
this by the by: The Book it felf contains 25. confiderable 
Propofitions-, to touch fome of which 3 we fhall take notice 3 that 
The 1, is to find the folidity of Pyramids and Cones , or 
fruflum Pyramids and Cents, applicable -to the Meafuring of 
all Solids or V effels of that form $ whether whole or in parr, or 
gradually 3 i e, foot by foot, or inch by inch. 
The 2 d and 3 d , may be apply'd to the meafuring of irregular 
Solids, and ufeful for the exad meafuring of all forts of Stone 
and Timber 5 alfo of f all forts of Elliptick, Parabolick and £h> 
perboliek irregular Solids, or Veffels made of that Form 5 feeing 
that fuch Solids may be cut mo Par allelepipedens, Prifms 
and pyramids, and then reduced to their own nature by the 
proportion of the parallelogram^dktibed about thofe Figures, 
, to the Figures themfelves. 
The 4 th fliews the meafuring of fruflum Pyr amides, when 
their Bafes are not parallel. 
The 5 th is about the relation of the Sphere and Spheroide, 
to the Cylinders of their bafes and altitudes, as well of the parts 
as t he whole, 
. The 6 th hath the meafuring of the midk Zone of a Sphere 
and Spheroide: And in regard that the midle Zone of a 
Spheroide hath been generally taken for the Figure reprefent- 
ing a Cask-jthe one being meafured^ the other will be fo alfo. 
To pafs, with the Author (in the Application of his Book) 
to the 12 th Propof. there is the meafuring of a portion of a 
Sphere, which. is applicable to the meafuring of the inverted 
Crown of Brewers Coppers 3 or feveral other ufes. 
The 13 th gives the meafuring of Parabolick CmoiJes 0 which 
may be taken for a Brewers Copper, the Grown inverted. 
The 14th meafureth the Hyperbolick Conoid, which may be 
taken for a Brewers Copper. 
The ijttt, 0 th , 17 th ., and 18 th give the meafuring of a 
Sphere^ Spheroid, Parabolick Conoid and Hyperbolick Conoid, as 
well the whole as their parts. 
The 20thtneafureth Circular afld Elliptick Sphdies. 
The 
