Before assigning a String data type to a variable, we need to thoroughly understand Delphi's four string types. Short String Simply put, Short String is a counted array of (ANSII) characters, with up to 255 characters in the string.
In the early part of the 19th century, coal ovens were developed. Its shape was cylindrical and was made of heavy cast-iron. The gas oven saw its first use as early as the beginning of the 19th century as well. Gas stoves became very common household ovens once gas lines were available to most houses and neighborhoods. James Sharp patented one of the first gas stoves in 1826.
First known gasoline powered engine was by Siegfried Marcus in 1870 in Vienna. A more successful gasoline engine was made by Daimler and Maybach, with Otto in 1879. The earlier engines mentioned by other folks were generally conceptual (i.e. not really invented yet), and/or used lighting gas (like natural gas), not gasoline.