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]



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).