Types of. monoculars and how they work. A monocular is a single-barrel refractor viewing device for looking at objects in the distance. They are usually more portable and smaller than spotting scopes and are widely used by bird-watchers, airplane spotters, hikers and walkers, hunters and amateur astronomers.
Area code 513 is found in the US state of Ohio. Primarily servicing the city of Cincinnati (population: 747906), area code 513 covers 6 counties of Ohio. Located in the Eastern time zone, area code 513 is on the same time as New York, NY.Area code 513 was brought into effect on January 1, 1947.Location of Area Code 513 and surrounding states.rimarily servicing the city of Cincinnati (population: 747906), area code 513 covers 6 counties of Ohio. Located in the Eastern time zone, area code 513 is on the same time as New York, NY. Area code 513 was brought into effect on January 1, 1947. Location of Area Code 513 and surrounding states.
It is one of the original area codes established in 1947, and originally covered the entire southwest quadrant of the state. In 1996, however, most of the northern and eastern portion of the old 513 territory, including Dayton, was split into area code 937. new area code 283 has been assigned to overlay the current 513 area, but this has been delayed as the 513 area code has not yet been depleted of available numbers.