Patent:GB191513759

Patent:	GB 191513759
Titel:	Improvements in Proportional Calculators
Datum:	08.06.1916
Ort:
Land:	Großbritannien
Person:	Coddington, Fitzherbert John; Livens, George Henry
Firma:
Links im Rechnerlexikon:	Analogrechner, Nomogramm, Proportionalrechner
Schlagworte:	Gehalt, Lohn
Link zum Patentamt: (ohne Garantie)	GB191513759

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...."

DATUM: 08.06.1916
TITEL: Improvements in Proportional Calculators.
PERSON: CODDINGTON FITZHERBERT JOHN OS

Rechnerlexikon

Patent:GB191513759