History
Slide Adders

TRONCETS:
Caze 1720
Kummer 1847
Arihtmographe Troncet 1888
Arihtmographe 1891
Universal 1890
Locke 1901
Locke 1901
Excelsior 1904
Omega Rechner 1905
The Educated Monkey 1916
Rebo 1916
Pro Calculo 1920
Pocket Adding Machine 1920's
Master 1930
Efficience 1934
Da Crosses 1955
Kingson 1950's
Addimult Addmaster 1950's
Produx (2) 1960's
Addifix  
Addifix 6 1960
Addimax
Sizematic
 
Addimult
Sumat-6
 
Baby  
Exactus  
Francia  
Kalkometer  
Kingson  
Magic-Brain  
Math-Add-Matic  
MBC Pocket Calculator  
Omega Pocket Adding Machine  
Omega  
Produx  
Sears  
Tasco  
Ve-Po-Ad  
W Calculator  
Wolverine  
Calculator  
Standard  
ADDIATORS:
Maximator 1925
Addiator 1930's
Sterling Correntator 1930's
Faber Castell with Slide Rule 1949
Duplex 1950
Duplex 1950
Arithma 1960
Ad  
Baby Black  
Brevete  
Instructions  
Astro  
Elsarie  
Castell  
Faber-Castell  
Faber-Castell  
Fractomator
Fractomator
 
Correntator  
Rychlopoctar  
CHAIN:
Bassett 1909
Seidel & Naumann 1910
Seidel & Naumann 1910
Comptator 1920
Calculator  
CIRCULAR:
Webbs 1869
Eureka 1890
Totalisateur Troncet 1890
Ultra Washington  

X-Number World

Revised:
December 02, 2006.