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The pieces are stored in a box with two hinged opening sides. The color pattern of the cube is painted all around the outside of the box (except the bottom). The material is not designed for math education until the elementary years of Montessori education. In the primary levels (ages 3-6), it is used as sensorial material.
Maria Tecla Artemisia Montessori (/ ˌ m ɒ n t ɪ ˈ s ɔːr i / MON-tiss-OR-ee; Italian: [maˈriːa montesˈsɔːri]; 31 August 1870 – 6 May 1952) was an Italian physician and educator best known for her philosophy of education (the Montessori method) and her writing on scientific pedagogy. At an early age, Montessori enrolled in classes at ...
It is referred to as the mitotic spindle during mitosis, a process that produces genetically identical daughter cells, or the meiotic spindle during meiosis, a process that produces gametes with half the number of chromosomes of the parent cell. Besides chromosomes, the spindle apparatus is composed of hundreds of proteins.
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. Multi-spool spinning frame Model of spinning jenny in the Museum of Early Industrialisation, Wuppertal, Germany. The spinning jenny is a multi- spindle spinning frame, and was one of the key developments in the industrialisation of textile manufacturing during the early Industrial ...
Spindle with cotton yarn, without whorl, representing the "spindle-shape". A modern Turkish spindle is an example of a low-whorl suspended spindle where the whorl is made up of interlocking arms. Here the cop is wound around the arms to form a ball. Spinning with a suspended spindle (below) and distaff (above).
Cutting speed may be defined as the rate at the workpiece surface, irrespective of the machining operation used. A cutting speed for mild steel of 100 ft/min is the same whether it is the speed of the cutter passing over the workpiece, such as in a turning operation, or the speed of the cutter moving past a workpiece, such as in a milling operation.
"Spindling" or "spiking" is the act of spearing an item onto the spike. A spindle was often used in restaurants to hold orders from the waitstaff to the kitchen. [1] Depending on what sort of records were on a spindle, a string could be put through the holes to bundle the papers together, and the bundle stored. [2]
In machine tools, a spindle is a rotating axis of the machine, which often has a shaft at its heart. The shaft itself is called a spindle, but also, in shop-floor practice, the word often is used metonymically to refer to the entire rotary unit, including not only the shaft itself, but its bearings and anything attached to it ( chuck , etc.).