Despite such opposition, the first meters were installed by the Dual Parking Meter Company beginning in July 1935; they cost a nickel an hour, and were placed at 20-foot intervals along the curb that corresponded to spaces painted on the pavement.
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A MAF measures how much Air (in Grams) is entering the engine. It also measures the Temperature of said air. It is a highly accurate device. Some are better than others regarding restriction.Here is an excellent article on Air Flow sensors including MAF devices.Hope this helps. MAF measures how much Air (in Grams) is entering the engine. It also measures the Temperature of said air. It is a highly accurate device. Some are better than others regarding restriction.