Shore durometer "durometer" (ISV "duro-" and "-meter"; attested since the 19th century), but today that name usually refers to Shore hardness; other devices use other measures, which return corresponding results, such as for Rockwell hardness. There are several scales of durometer, used for materials with different properties. The two most common scales, using slightly different measurement systems, are the ASTM D2240 type A and type D scales. The A scale is for softer ones, while the D scale is for harder ones. However, the ASTM D2240-00 testing standard calls for a total of 12 scales, depending on the intended use: types A,
Summer Evening at Skagen. The Artist's Wife and Dog by the Shore looked up to as a far more competent artist. A few of her works have nevertheless survived. The work is oil on canvas and it measures . Marie Krøyer is shown in profile and her melancholy face and bright dress glow under the light of the setting sun. The painting is one of the works in which Krøyer tries to capture the light and mood on the Skagen shore during what he called "l'heure bleue" (the blue hour), the short period at dusk when the light casts a blue tint over the landscape. The moon's reflection adds a slight feeling