Search results
Results from the WOW.Com Content Network
This is called a limited calibration. But if the final measurement requires 10% accuracy, then the 3% gauge never can be better than 3.3:1. Then perhaps adjusting the calibration tolerance for the gauge would be a better solution. If the calibration is performed at 100 units, the 1% standard would actually be anywhere between 99 and 101 units.
A small permanent magnet affixed to the speedometer cable interacts with a small aluminium cup (called a speedcup) attached to the shaft of the pointer on the analogue speedometer instrument. As the magnet rotates near the cup, the changing magnetic field produces eddy current in the cup, which itself produces another magnetic field.
Radar speed guns use Doppler radar to perform speed measurements.. Radar speed guns, like other types of radar, consist of a radio transmitter and receiver.They send out a radio signal in a narrow beam, then receive the same signal back after it bounces off the target object.
A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. [1] The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are increasingly common.
Odometer fraud, also referred to as "busting miles" (United States) or "clocking" (UK, Ireland and Canada), is the illegal practice of rolling back odometers to make it appear that vehicles have lower mileage than they actually do.
Max Factor demonstrating his beauty micrometer device in 1935. The beauty micrometer, also known as the beauty calibrator, was a device designed in the early 1930s to help in the identification of the areas of a person's face which need to have their appearance reduced or enhanced by make-up.
In 1895, Curtis H. Veeder invented the Cyclometer. [1] [2] [3] The Cyclometer was a simple mechanical device that counted the number of rotations of a bicycle wheel.[4] [5] A cable transmitted the number of rotations of the wheel to an analog odometer visible to the rider, which converted the wheel rotations into the number of miles traveled according to a predetermined formula.
Sheila Bernette (occasionally Burnette; born 30 March 1931) is an English singer and character actress on film, television and radio. Bernette also appeared as herself in many television productions, and is remembered as one of the regular practical jokers in the UK version of Candid Camera .