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# JB/135/269/001

Completed

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?

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:
word figure

Question 1
From what language
are these several
names respectively derived
Greek.

Identifier: | JB/135/269/001
"JB/" can not be assigned to a declared number type with value 135.

1820-07-03

135

posology

269

posology

001

regular solids

copy/fair copy sheet

1

recto

d1 / e1 / g82

john flowerdew colls

46387