[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

34.204.176.125 | Log in | Help

  DE  EN  FR  IT 
Main Page
All pages
Recent changes

Printable version
Discuss article

article
image
patent



Special pages
Pfeil.gif Patents  Pfeil.gif Great Britain  

Patent:GB191513759


Patent:GB 191513759
Title:Improvements in Proportional Calculators
Date:08.06.1916
Place:
Country:Great Britain
Person:Coddington, Fitzherbert John; Livens, George Henry
Company:
Internal Links:Analogrechner, Nomogramm, Proportionalrechner
Keywords:Gehalt, Lohn
Link to the patent office:
(without guarantee)
 GB191513759


Enlarge

Aus der Patentschrift GB191513759

"Proportional calculators.- In a calculator for wages, employing square-ruled paper and a swivelling reading index-line L upon a transparent pointer N pivoted at one corner, the two sides of the square are graduated to represent hours and shillings respectively, and a second scale C D is provided for calculating percentages of wages in the case in which wages have to be divided between a gang of men...."