Meter is the most prominent gauge in the middle of the cluster of dashboard instruments of an automobile. The job of the meters is toward indicating the speed of an automobile in miles per hour, kilometers per hour or both. The previous meters were classy as well as obtainable only as alternatives. But after 1910 the automobile manufacturers began toward include the meter as standard equipment. One of the first meter providers was Otto Schulze Autometer (OSA), an inheritance company of Siemens VDO Automotive AG.