Shore durometer Shore durometer The Shore durometer is a device for measuring the hardness of a material, typically of polymers, elastomers, and rubbers.. Higher numbers on the scale indicate a greater resistance to indentation and thus harder materials. Lower numbers indicate less resistance and softer materials. The term is also used to describe a material‘s rating on the scale, as in an object having a “‘Shore durometer’ of 90.” The scale was defined by Albert Ferdinand Shore, who developed a suitable device to measure hardness in the 1920s. It was neither the first hardness tester nor the first to be called a
South Shore, Chicago the 1920s generated not only a large increase in the area's population, but also greater diversity among its residents and in housing stock. Between 1920 and 1930 the population of South Shore jumped from 31,832 to 78,755. Many of these new residents were Irish, Swedish, German, or Jewish and had followed native white Protestants from Washington Park to live in South Shore's high-rises, single-family homes, and apartment houses. Institutions built in South Shore during these years reflected the community's growing diversity. By 1940 South Shore contained 15 Protestant churches, four Roman Catholic churches, and four Jewish synagogues. As African American