D&D Barometers Deluxe Tendency Barometer On Sale for Father's Day!
D&D Barometers Deluxe Tendency Barometer,
A053 - Imported from Belgium, the A053 is a Combination Tendency
Barometer with Thermometer, Hygrometer and Stormglass, of presentation
quality, makes a great gift - and is On Sale for Father's Day Now!.
The D&D A053 is a unique model, combining all of the best features of the Tendency Barometers and is the top of the line. It functionally operates as any other D&D Barometer tendency barometers. The beautiful mahogany stained wooden case with curved glass has an aluminum colored brass face plate with a Storm Glass mounted beside the tendency barometer tubes and a hygrometer mounted above the tubes. This is a dazzler.
The Tendency Barometer was patented on December 23, 1818 by Alexander Adie. 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).
By measuring the amount of difference between the red and blue fluids on the tendency dial, you get the local weather forecast for the next 12-24 hours.
The thermometer measures in both Celsius and Fahrenheit and the barometer measures in millibars/ hPa.
An absolutely beautiful presentation piece that will last for generations. A unique gift idea!
Size and Weight: 20" H x 6.7" W, Approx. 3 LBS.
Mercury Free!
NOTE: brass engraving plate pictured is NOT included.
The D&D A053 is a unique model, combining all of the best features of the Tendency Barometers and is the top of the line. It functionally operates as any other D&D Barometer tendency barometers. The beautiful mahogany stained wooden case with curved glass has an aluminum colored brass face plate with a Storm Glass mounted beside the tendency barometer tubes and a hygrometer mounted above the tubes. This is a dazzler.
The Tendency Barometer was patented on December 23, 1818 by Alexander Adie. 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).
By measuring the amount of difference between the red and blue fluids on the tendency dial, you get the local weather forecast for the next 12-24 hours.
The thermometer measures in both Celsius and Fahrenheit and the barometer measures in millibars/ hPa.
An absolutely beautiful presentation piece that will last for generations. A unique gift idea!
Size and Weight: 20" H x 6.7" W, Approx. 3 LBS.
Mercury Free!
NOTE: brass engraving plate pictured is NOT included.
posted by bellclocks.com @ 7:53 AM
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