Jules Dupuit (*1804-†1866)

French engineer and economist. 


Roulette de Dupuit, a chartometer for calculating areas, invented by Dupuit in the late 1830s.

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

Roulette de Dupuit improved version by Cabasson, early 1900s. 

Fig.1.: The original Dupuit chartometer (roulette de Dupuit), first published in Annales des Ponts et Chaussées in 1844. [2].

Fig.2.: The improved Dupuit chartometer. illustration from E. Vincent; Arpentage, levé des plans et nivellement  par les Frères des écoles chrétiennes, Elzear Vincent, Quebec 1875. Internet Archive.

Fig.3.: The improved Dupuit chartometer by Cabasson as illustrated in H. Morin Catalogue Général 1910-11, 37th Ed., p.118.  

 

Note: But Dupuis' was not the first chartometer, see Hermann Pieper's chartometer in: Der Oldenburgische Planimeter verbessert und beschrieben, Lüneburg 1825 [SLUB]


REFERENCES / NOTES

 

1. Ueber das Planimeter von Dupuit Polytechnisches Centralblatt Jahrgang 1845 6. Bd., p.76. Google Books

 

2. Annales des ponts et chaussees. Tombe VIII p.122 Google Books

 

3. Francois Vatin, Jean-Pascal Simonin, Luc Marco; The Works of Jules Dupuit

Francois Vatin, Jean-Pascal Simonin, Luc Marco. The Works of Jules Dupuit: Engineer and Economist of the French XIXth Century . Luc Marco. Edi-Gestion, 1 (1), 2016, Classical texts in Economics and Management, Luc Marco, 978-2-903628-08-6. <http://ihpm.hypotheses.org/>. <hal-01335642>

HAL Id: hal-01335642 https://hal.archives-ouvertes.fr/hal-01335642 Submitted on 14 Jul 2016

 

4. http://gallica.bnf.fr/ark:/12148/bpt6k4084622/f419.item.r=Annales%20des%20ponts%20et%20chaussées%201844.zoom

 

5. https://archive.org/stream/cihm_92095#page/n165/mode/2up

 

6. http://www.zeno.org/Lueger-1904/A/Rektifizierinstrumente

 

7. http://www.zeno.org/Meyers-1905/A/Kurvenmesser

 

8. http://cnum.cnam.fr/CGI/fpage.cgi?M11123/122/100/300/0/0

 

9. http://www.hetwebsite.net/het/profiles/dupuit.htm

 

10. Konstantinos Chatzis; Searching for mathematics within French engineering journals in the 19th century: when nomography meets with Annales des Ponts et Chaussées, IFSTTAR/LATTS (CNRS/Ecole des Ponts ParisTech/Univ. Marne-la-Vallée).