4.5 inches wide. Paper around the drum has issues, please see photos. Very hot and dry. Extremely hot and dry. The item “Antique-Manhattan Marine-Drum Barograph-Barometer-French Made-Scientific” is in sale since Thursday, June 13, 2019. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “gregs-junk” and is located in Mesa, Arizona. This item can be shipped worldwide.

• Maker: L M France
• Original/Reproduction: Original