Five essays in political arithmetick ... by Sir William Petty ...

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Title
Five essays in political arithmetick ... by Sir William Petty ...
Author
Petty, William, Sir, 1623-1687.
Publication
London :: Printed for Henry Mortlock ...,
1687.
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"Five essays in political arithmetick ... by Sir William Petty ..." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/B28075.0001.001. University of Michigan Library Digital Collections. Accessed May 3, 2024.

Pages

Page 32

The FOURTH ESSAY.

Concerning the proportions of People in the 8 eminent Cities of Christendom undernamed, viz.

1. WE have by the number of Burials in healthfull years, and by the proportion of the living to those who die yearly, as also by the number of Houses and Families within the 134 Parishes, called London, and the estimate of the Heads in each, pitch'd upon the number of People in that City to be at a Medium 695718.

Page 33

2. We have, by allowing that •…•…t Paris above 80 thousand Fami∣•…•…ies (viz. 81280) do live in 23223 Houses, 32 Palaces, and 38 Colle∣•…•…es, or that there are 81280 Kitch∣•…•…ns within less than 24 thousand Street-dores; as also by allowing 30 Heads for every one that died •…•…ecessarily there; we have pitch'd •…•…pon the number of People there at 〈…〉〈…〉 Medium to be 488055, nor have •…•…e restrained them to 300 thousand, •…•…y allowing with Monsr. Auzout 6 Heads for each of Morery's 50 •…•…housand Houses or Families.

3. To Amsterdam we allow 187350 Souls, viz. 30 times the •…•…umber of their Burials, which were 6245 in the year 1685.

Page 34

4. To Venice we allow 134 thou∣sand Souls, as found there in a spe∣cial account taken by authority, a∣bout 10 years since, when the City abounded with such as returned from Candia, then surrended to the Turks.

5. To Rome we allow 119 thou∣sand Christians and 6000 Jews, in all 125 thousand Souls, according to an account sent hither of the same by Monsr. Auzout.

6. To Dublin we allow (as to Amsterdam) 30 times its Burials, the Medium whereof for the last 2 years is 2303, viz. 69090 Souls.

Page 35

7. As to Bristol, we say that if •…•…he 6400 Houses of Dublin, give •…•…9,090 People, that the 5307 Hou∣•…•…es of Bristol, must give above 56 •…•…housand People; Moreover, if the •…•…f the 29,325 Harths of Dublin, •…•…ive 69,090 People, the 16,752 Harths of Bristol, must give about •…•…0 thousand; but the Medium of •…•…6 thousand and 40 thousand is •…•…8 thousand.

8. As for Rouen, we have no help, but Monsr. Auzout's fancy of 80 thousand Souls to be in that Ci∣ty, and the conjecture of knowing Men that Rouen is between the 1/7 and ⅛ part of Paris, and also that it is by a third bigger than Bristol; By all which, we estimate

Page 36

(till farther light) that Rouen hath at most but 66 thousand Peo∣ple in it.

Now it may be wondred why we mentioned Rouen at all, having had so little knowledge of it; Where∣unto we answer, that we did not think it just to compare London with Paris, as to Shipping and fo∣•…•…eign Trade, without adding Rou∣en thereunto, Rouen being to Pa∣•…•…is as that part of London which •…•…s below the Bridge, is to what is •…•…bove it.

All which we heartily submit to •…•…he correction of the Curious and

Page 37

Candid, in the mean time obser∣ving according to the Gross numbers undermentioned.

 m.
London696
Paris488
Amsterdam187
Venice134
Rome125
Dublin69
Bristoll48
Rouen66

Page 38

Observations on the said 8 Cities.

 m.
1. That the People of Paris being488
of Rome125
of Rouen66
do make in all but 679 thousand, or 17 thousand less than the 696 thousand of London alone.

2. That the People of the 2 En∣glish Cities and Emporiums, viz. of London 696 thousand, and Bristol 48 thousand, do make 744 thousand, •…•…r more than

 m.
In Paris488
Amsterdam187
Rouen66
being in all741

Page 39

3. That the same 2 English Ci∣ties seem equivalent

To Paris which hath488 thous. Souls.
To Rouen66
To Lyons100
To Thoulose90
In all744

If there be any Errour in these Conjectures concerning these Cities of France, we hope they will be mended by those whom we hear to be now at work upon that matter.

Page 40

4. That the King of England's 3 Cities, viz.

 m.  m.
London696exceedParis488
Dublin69Amsterdam187
Bristoll48Venice134
in all813 being but809

5. That of the 4 great Empori∣•…•…ms, London, Amsterdam, Venice and Rouen, London alone is near double to the other 3, viz. above 7 to 4.

 m.   
Amsterdam187m.  
Venice134387  
Rouen662  
    m.
  774Lond.696

Page 41

6. That London (for ought ap∣pears) is the greatest and most con∣siderable City of the World, but manifestly the greatest Emporium.

When these Assertions have past the Examen of the Critiques, we shall make another Essay, shewing how to apply those Truths to the Ho∣nour and Profit of the King and Kingdom of England.

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