The Second Part of 'it treates of the Geometrical Compofition 
or Delineation of Equations by aid of a Circle and Parabola } 
wherein the Author feemes to havejbllowed Defcartes. About 
this Subject fee an'Excellenc Traft Intituled Me[olabum 0 five 
Duit media inter extremas data* infinitis modis exhibit*, Au&ore 
Ren at o Erancifco Slufio Canonrco Leodienfi • fcojus nomen fubti- 
cetur ) Leodii Eburonum 1659 4 0 5 which Book the Lear* 
ned Author thereof promifeth to reprint and enlarge this Sum- 
men li ■ iWM * tfl ft • i ] / 
The Third Part of- it contains ioy Theoremes about Sines , 
Tangents^ Secants 5 &c. the Do&rine whereof, together with what 
elfe is omitted in this Edition, and o,ther. confiderable. matters 
about zsZqitations, may fre hoped for from the Pen of that ex- 
cellent Perfon, that is mentioned in the Epiftle to the Ilea- 
der. i . : %k t f 0 th ii \ 5 : : s '.- . i 8 • - 
Jll. AN ESSAY towards a REAL CHARA- 
CTER; and i, PHILOSOPHICAL LANGU- 
A G E y ; by $ 0 HN W1L K INS D.D. Dean of Ripon, and 
Fellow* of the R. Society. 
The Reverend and Learned Author of this well-con- 
fider'd Work hath digefted the things, which to him feem'd 
moft proper and material to be laid of this Subject, into four 
parts. 
In the Fir ft y he premifes fome things as Prtctgnita-, concern- 
ing fuch Tongues andXettersas are already in being.particularly 
concerning thofe various defeffs and imperfections in them 5 
which ought to befttpplfdmd ptonxided again fl . in any fuch Lan- 
guage or Chara&er-^as is to be invented according to the Rules 
of Art, 
The Second contains that which is the great Foundation of the 
thing here defigned, mz t a regular Enumeration and Description 
pf all thofe Things and Notions, to which Market or Names ought 
to be affigned according to thrir refpe&ive natures -, which may 
be ftiled the ScientificalPm, comprehending Vniverfal Vhtlo- 
fophy : It being the proper End and Dtfign of the feveral bran- 
cnes of Philofophy, to reduce all things and notions unto fuch a 
£rame, as may exprefs their natural order, dependence; and relati- 
ons. 
