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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.
The most novel machine of this kind is the vibrating shuttle machine just produced by the Singer Manufacturing Company. In this case the shuttle itself consists of a steel tube, into the open end of which the wound reel is dropped, and is free to revolve quite loosely. Variation of tension is thus obviated in a very simple manner.
Tension of the bobbin thread is maintained with a bobbin case, a metal enclosure with a leaf spring which keeps the thread taut. The bobbin case has to be free-floating (not attached to an axle) in order to allow the top thread to pass around the bobbin completely and hook the bobbin thread.
A potbelly stove is a cast-iron, coal-burning or wood-burning stove that is cylindrical with a bulge in the middle. [1] The name is derived from the resemblance of the stove to a fat person's pot belly. Potbelly stoves were used to heat large rooms and were often found in train stations or one-room schoolhouses. The flat top of the stove allows ...
The thread tension mechanisms, one for the upper thread and one for the lower thread, prevent either thread from pulling the entwine point out of the middle of the material. Prior to the invention of the rotating hook, lockstitch machines placed the lower bobbin inside a miniature shuttle which would be passed through the loop formed when the ...
A 19th-century example of a wood-burning stove. A wood-burning stove (or wood burner or log burner in the UK) is a heating or cooking appliance capable of burning wood fuel, often called solid fuel, and wood-derived biomass fuel, such as sawdust bricks.
Wait until your glass stove top is cold—never clean on a hot stove top. Fill a bowl with warm to hot water, and add a few drops of dish soap. Mix well until you’re left with a sudsy mixture.
John S. Perry started building wood stoves in 1843. [2] After becoming bankrupt in 1860, Perry secured a loan in the amount of $13,000 to buy the company in 1862. [2] Perry reorganized the company to become Albany Stove Works in 1869. It employed nearly 1,200 people in the Albany region. [2] Perry Stove Manufacturing Company