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• 
  Meteograf
  
  Marine Barograph
  
• 
  Humigraf
  
  Thermograph, Hygrograph
  
• Winboy
  Automatic window- closing mechanism
• 
  Aerograf
  Record flights
  

The following PDF files are ready for you

Barograph Meteograf
	Humigraf und Humigraf+ Thermograph, Hygrograph, Thermohygrograph
Fensterschliesser Winboy
	Aerograf Record flights