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A pinwheel calculator is a class of mechanical calculator described as early as 1685, and popular in the 19th and 20th century, calculating via wheels whose number of teeth were adjustable. These wheels, also called pinwheels, could be set by using a side lever which could expose anywhere from 0 to 9 teeth, and therefore when coupled to a ...
Aeonium haworthii, also known as Haworth's aeonium or pinwheel, is a species of succulent flowering plant in the family Crassulaceae. It is grown as a houseplant in temperate regions . It has gained the Royal Horticultural Society 's Award of Garden Merit , [ 2 ] as has the cultivar 'Variegatum'.
Stromboli. The Italians did the pinwheel first—and to pizza lovers, best! This oversized pizza roll is stuffed with layers of mozzarella, pepperoni, salami, and ham.
He first tried to build a machine that could multiply automatically while sitting on top of the Pascaline calculator, assuming incorrectly that all the dials on Pascal's calculator could be operated at the same time. Even though this could not be done, it was the first time that a pinwheel was described and used in the drawing of a calculator.
The teenage student and substitute teacher who were killed during the shooting at a Christian school in Madison, Wisconsin, on Monday have been identified, as new details about the alleged shooter ...
Superintendent of Charles County Public Schools, Maria V. Navarro, revealed in a Dec. 5 statement that the group had been visiting the restaurant “as part of community-based instruction (CBI)”
In the position shown, the counting wheel meshes with three of the nine teeth of the Leibniz wheel. A Leibniz wheel or stepped drum is a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators.
Dr. Thomas O’Brien and his wife Ruth Reardon O’Brien, the parents of late night comedian Conan O’Brien, have died three days apart. Thomas was 95 and Ruth was 92. Thomas died on Monday, Dec ...