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1820 July 3d. 21
Posology
II Morphoscopics
82
21
§. Regular Solids.
Question 1. Into how many and what sorts
does the whole number of regular solids require,
in the first place, to be divided distinguished?
Answer. Into two sorts: viz. the simple or simply constituted, and
the compound: or say compounded or composet
Question 2. Into how many and what sorts
do the simply constituted regular solids require, in
the first place, to be distinguished?
Answer. Into two sorts: viz. the purely right
line and the purely curved line
Question 3. From what source of division distinction
do the purely right lined regular solids require to be
distinguished?
Answer. From the number of the surfaces
by which they are respectively bounded, and within
which they are accordingly contained.
Question 4. What is the number of How many and what are the purely
right lined regular solids as above distinguished
that have been brought into notice?
Answer. Four — Five — viz. 1, the tetrahedron:
2. hexahedron: 3 octahedron 3 4. dodicahedron: 4 5. icosihedron.
Question 5. What is meant by a tetrahedron?
Answer. A simply right lined regular
solid having for its boundaries four surfaces,
each of them a triangle.
Question 6. These several triangles, to compose
the solid in question, must they be all of
them, equal, or may they be distinguished by any
and what differences?
Answer.
Question 2. These several
figures, what
are their names respectively
when literally
translated into English?
Ans. 1. The four seated,
2. the six seated, 3. the
eight seated, 4. the twelve
seated, 5 the twenty seated:
add, in each instance, the
word figure
Question 1
From what language
are these several
names respectively derived
Answer. From the
Greek.
Identifier:  JB/135/269/001 "JB/" can not be assigned to a declared number type with value 135.



18200703 

135 
posology 

269 
posology 

001 
regular solids 

copy/fair copy sheet 
1 

recto 
d1 / e1 / g82 

john flowerdew colls 

46387 
