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Rotary hook machines hold their bobbin stationary, and continuously rotate the thread hook around it. The design was popularized in the White Sewing Machine Company 's ' Family Rotary ' sewing machine [ 9 ] and Singer 's models 95 and 115.
Piz Bernina and the Morteratsch Glacier. Piz Bernina is one of the few isolated Alpine four-thousanders and the most topographically isolated mountain of Switzerland.It is the culminating point of a group of summits slightly lower than 4,000 m (13,123 ft) mostly lying on the main watershed between Switzerland and Italy (such as Piz Scerscen, Piz Zupò, and Piz Palü).
The rotary hook or rotating hook is a bobbin driver design used in lockstitch sewing machines since the 19th century. It triumphed over competing designs because it can run at higher speeds with less vibration. Rotary hooks and oscillating shuttles are the two most common bobbin drivers in use today.
A vibrating shuttle is a bobbin driver design used in home lockstitch sewing machines during the second half of the 19th century and the first half of the 20th century. It supplanted earlier transverse shuttle designs, but was itself supplanted by rotating shuttle designs.
Bernina International AG is a privately owned international manufacturer of sewing and embroidery systems. The company was founded in Steckborn, Switzerland, and develops, manufactures, and sells goods and services for the textile market, primarily household sewing-related products in the fields of embroidery, quilting, home textiles, garment sewing, and crafting.
A model 27/127 coincidentally weighs 27 pounds (12 kg), plus the weight of its motor; treadle or hand crank; light; and case or cabinet. Such a weight strains the meaning of the term "portable", even when fitted with only a hand crank and minimal wood case. By comparison, today's laptop computers typically weigh 3 to 5 pounds (1.4 to 2.3 kg).)
The Bernina Range is a mountain range in the Alps of eastern Switzerland and northern Italy. It is considered to be part of the Rhaetian Alps within the Central Eastern Alps . It is one of the highest ranges of the Alps, covered with many glaciers.
BT (MAS 403/ JIS B6339 / ISO 7388-2)- Japanese originated standard, derivative of ANSI B5.50. This is most common toolholder design used in east Asia. Also not readily compatible with CAT-V. They can be hand-loaded into cat-V spindle if a pull-stud adapter with metric threads is used, but do not work with tool changers used for the same.