Essays on Mankind and Political ArithmeticPetty, William, Sir
History
Essays on Mankind and Political Arithmetic
Petty, William, Sir
London (England) -- Population; Population
We did (not long since) assist a worthy divine, writing against some
sceptics, who would have baffled our belief of the resurrection, by
saying, that the whole globe of the earth could not furnish matter enough
for all the bodies that must rise at the last day, much less would the
surface of the earth furnish footing for so vast a number; whereas we did
(by the method afore mentioned) assert the number of men now living, and
also of those that had died since the beginning of the world, and did
withal show, that half the island of Ireland would afford them all, not
only footing to stand upon, but graves to lie down in, for that whole
number; and that two mountains in that country were as weighty as all the
bodies that had ever been from the beginning of the world to the year
1680, when this dispute happened. For which purpose I have digressed
from my intended purpose to insert this matter, intending to prosecute
this hint further upon some more proper occasion.
A TABLE SHOWING HOW THE PEOPLE MIGHT HAVE DOUBLED IN THE SEVERAL AGES OF
THE WORLD.
Periods of doubling A.D., after the Persons.
Flood.
In 10 years 1 8
10 16
20 32
30 64
40 128
50 256
60 512
70 1,024
80 2,048
90 4,096
100 8,000 and more.
120 16,000
In 20 years 140 32,000
In 30 years 170 64,000
200 128,000
40 240 256,000
50 290 512,000
60 350 1,000,000 and more.
70 420 2,000,000
100 520 4,000,000
190 710 8,000,000
290 1,000 16,000,000 in Moses’
time.
400 1,400 32,000,000 about
David’s time.
550 1,950 64,000,000
750 2,700 128,000,000 about the
birth of Christ.
1,000 3,700 256,000,000
300
In 300 / 1,200 4,000 320,000,000
Public-domain text, read in full here on John Shaqi.
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