Brevetti   Gran Bretagna  

Patent:GB233175

Brevetto:	GB 233175
Titolo:	Improvements in or relating to calculating instruments for problems in navigation
Data:	07.05.1925
Luogo:
Nazione:	Gran Bretagna
Persona:	John Thompson Baker
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB233175

Aus der Patentschrift GB233175

• DATUM: 07.05.1925
• TITEL: Improvements in or relating to calculating instruments for problems in navigation
• PERSON: JOHN THOMPSON BAKER