 In the beginning kerosene lamps along with burners, as well as cookers for fluid (Wood alcohol, Paraffin), gaseous fuels (Town gas, Propane, and Natural Gas) were made in the "Lampen-Fabrik Ehrich & Graetz OHG" (E&G) factory.By 1897 the firm was controlled by Albert's sons, Max Graetz, and Adolf Graetz.The company grew rapidly, and in 1899 a factory complex was built in the Elsenstrasse in Berlin.