DD Barometers of Belgium
lindbergh expedition tendency barometer with thermometer
 

The Lindbergh Tendency Barometer is mounted in an exquisitely crafted wood and curved glass case. A tribute to The Lone Eagle, Charles Lindbergh and his unforgettable 1927 solo flight across the Atlantic. His Spirit of St. Louis airplane is pictured in flight at the top of the instrument while along the right hand side is a log of the time and location of the plane during the 33 and a half hour flight. At the bottom is a color map of the flight route to Paris. Many flying enthusiasts have asked us for an instrument with an emphasis on flying and we are proud to add The Lindbergh model to the collection.

The Tendency Barometer was patented on December 23, 1818 by Alexander Adie. It was used by Ross on his expeditions. He is quoted in his diary as saying " the advantage of the tendency barometer to a mercury barometer is as big as having a mercury barometer to having no barometer at all." It consists of two liquid filled tubes. One tube in a U-shaped which is open ended and filled with a red fluid; and one closed thermometer tube filled with a blue fluid, mounted parallel to each other.

When the fluid levels are the same, the weather is changing.

When the red fluid level is below the blue fluid level, the weather is fair (high pressure pushes the red fluid down in the tube).

When the red fluid level is above the blue, stormy weather is predicted (low pressure allows the red fluid to move up the tube).

The thermometer measures in both Celsius and Fahrenheit and the barometer measures in millibars/ hPa. The overall instrument measures 20 inches high by 6.7 inches wide and weighs 3 pounds. An absolutely beautiful presentation piece that will last for generations.

Size: 20" H by 6.7" W


Availability: In Stock. Usually ships in 1-3 business days.
 

Shipping: $5.95 Shipping in the Continental U.S.
Item NOT available for international shipping.

Lindbergh Tendency Barometer
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Lindbergh Tendency Barometer
Lindbergh Tendency Barometer
A54LG
Price: $279.00  Sale: $199.00
 
Quantity:

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