Patents   Great Britain  

Patent:GB500237

Patent:	GB 500237
Title:	Improvements in or relating to slide rule calculators
Date:	06.02.1939
Place:
Country:	Great Britain
Person:	Sidney Reginald Lucas
Company:
Internal Links:	Rechenschieber
Keywords:
Link to the patent office: (without guarantee)	GB500237

Aus der Patentschrift GB500237

• DATUM: 06.02.1939
• TITEL: Improvements in or relating to slide rule calculators
• PERSON: SIDNEY REGINALD LUCAS