Shore durometer R designation also mandates the employment of an operating stand. Some conditions and procedures that have to be met, according to DIN ISO 7619-1 standard are: The final value of the hardness depends on the depth of the indenter after it has been applied for 15 seconds on the material. If the indenter penetrates 2.54 mm (0.100 inch) or more into the material, the durometer is 0 for that scale. If it does not penetrate at all, then the durometer is 100 for that scale. It is for this reason that multiple scales exist. But if the hardness is <10
Chicago North Shore and Milwaukee Railroad Chicago North Shore and Milwaukee Railroad The Chicago North Shore and Milwaukee Railroad, also known as the North Shore Line, was an interurban that operated between the Chicago Loop and downtown Milwaukee. The 85-mile route of the North Shore Line utilized a combination of private rights-of-way and street running as well as trackage rights over the Chicago "L" network. In addition to operating passenger and freight trains, the company also provided streetcar and motor bus services throughout its history. Originating in 1895 as an electric street railway in the city of Waukegan, the property was gradually transformed into what author