Brevetti   Gran Bretagna  

Patent:GB191205651

Brevetto:	GB 191205651
Titolo:	Improvements in and relating to Calculating Machines
Data:	19.07.1912
Luogo:	Chicago
Nazione:	Gran Bretagna
Persona:
Ditta:	McCaskey Electric Calculator Co. (P)
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB191205651

Aus der Patentschrift GB191205651

• DATUM: 19.07.1912
• TITEL: Improvements in and relating to Calculating Machines.
• PERSON: MCCASKEY ELECTRIC CALCULATOR CO US