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The Swiss Federal Institute of Metrology (METAS) has METAS N001 requirements for movements and mechanical watches resistant to magnetic fields of 1.5 Tesla (15,000 Gauss). The METAS N001 certification demands a series of tests were amongst other relevant requirements the watches are subjected to strong magnetic field exposures without resulting ...
The Pine Sewing Machine factory was founded on 16 October 1921. In 1935, the Janome trademark was established, and the company was renamed to Janome Sewing Machine Co., Ltd. in 1954. [3] In the USA, its subsidiary is Janome America located in Mahwah, New Jersey; it also owns the Swiss brand Elna. The company manufactures all of its machines in ...
Wham-O Inc. is an American toy company based in Carson, California, United States.It is known for creating and marketing many popular toys for nearly 70 years, including the Hula hoop, Frisbee, Slip 'N Slide, Super Ball, Trac-Ball, Silly String, Hacky sack, Wham-O Bird Ornithopter and Boogie Board, [1] many of which have become genericized trademarks.
Embroidery hoops come in various sizes and are generally small enough to control with one hand and rest in the lap. Hoops were originally made of wood, bone, or ivory; [1] modern hoops are made of wood or plastic. [2] Hoops may be attached to a table-top or floor stand when both hands must be free for sewing, as in making tambour lace. Standing ...
Magnetic induction B (also known as magnetic flux density) has the SI unit tesla [T or Wb/m 2]. [1] One tesla is equal to 10 4 gauss. Magnetic field drops off as the inverse cube of the distance ( 1 / distance 3 ) from a dipole source. Energy required to produce laboratory magnetic fields increases with the square of magnetic field. [2]
The gauss is the unit of magnetic flux density B in the system of Gaussian units and is equal to Mx/cm 2 or g/Bi/s 2, while the oersted is the unit of H-field. One tesla (T) corresponds to 10 4 gauss, and one ampere (A) per metre corresponds to 4π × 10 −3 oersted .