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It was invented by Martin Faustmann in 1846.
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∙ 13y ago
Anonymous
Francisco de Caldas Santander, but in 1816 the same year of Francisco's death William Hyde Wollaston made an hypsometer without the need of being exposed to water
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Why would it be necessary to attach a manometer to the hypsometer?
Why would it be necessary to attach a manometer to the hypsometer
Why would it be necessary to attech a manometer to the hypsometer?
A manometer is a device that measures fluid pressure. A hypsometer is an instrument that measures height or elevation. One way to measure elevation is by using atmospheric pressure, which decreases with altitude. A hypsometer that uses this principle is called a boiling point apparatus or a pressure hypsometer. It consists of a thermometer and a vessel in which water is boiled. The boiling point of water depends on the atmospheric pressure, so by measuring the temperature of the boiling water, the pressure can be inferred and then converted to elevation. A manometer can be attached to the hypsometer to measure the pressure of the steam inside the vessel directly, without relying on the thermometer. This can improve the accuracy and reliability of the elevation measurement, especially if the thermometer is not calibrated or affected by other factors. A manometer with only one side open to the atmosphere is an ideal device for measuring gauge pressures, which are relative to the atmospheric pressure. The gauge pressure is p g = hρg and is found by measuring h, the height difference of the fluid columns in the U-shaped tube of the manometer. By knowing the gauge pressure and the atmospheric pressure, the absolute pressure inside the vessel can be calculated and then used to determine the elevation.
What is hypsometer and how it is used?
The term hypsometer comes from two Greek words meaning "altitude meter" and typically refers to a device that is used to measure the height of an object. There are 3 types of hypsometer: scale, pressure, and laser. The device is commonly used in surveying and construction industries as well as by arborists, who use hypsometers to measure heights of trees. The scale hypsometer is the simplest form of this device. It consists of an L-shaped frame with a plumb or level and an adjustable straightedge. The user sights the top of the object using the straightedge and notes the angle formed between the bottom of the frame and the straightedge. Employing a formula from trigonometry, the user can calculate the height of a building or other structure. One also can use a yardstick as a scale hypsometer. Standing 25 feet (about 7.5 meters) from an object and holding the yardstick about 25 inches (about 64 centimeters) from one's eye with the "0" at the bottom and aligned with the base of the tree or structure, one can note where the top of the structure corresponds to the marking on the yardstick. 1 inch (about 2.5 centimeters) on the yardstick equals 1 foot (about 0.3 meters) in height.
Can you give me examples of math investigatory project in trigonometry?
Determine how tall a building, flagpole, street light or basketball goal is. They need to understand basic trig, and angle of elevation/depression. They would need to make a clinometer or hypsometer.
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