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A telegraph code is one of the character encodings used to transmit information by telegraphy. Morse code is the best-known such code. Telegraphy usually refers to the electrical telegraph, but telegraph systems using the optical telegraph were in use before that. A code consists of a number of code points, each corresponding to a letter of the ...
Simanco No. 489510 Buttonholer Kit (laid out). A buttonholer is an attachment for a sewing machine which automates the side-to-side and forwards-and-backwards motions involved in sewing a buttonhole. Most modern sewing machines have this function built in, but many older machines do not, and straight stitch machines cannot sew a zigzag stitch ...
The Wheatstone system was an automated telegraph system that replaced a human operator with machines capable of sending and recording Morse code at a consistent fast rate. [1] The system included a perforator, which prepared punched paper tape called a Wheatstone slip, a transmitter that read the tape and converted the symbols into dots and ...
A sewing machine is a machine used to sew fabric and materials together with thread. Sewing machines were invented during the first Industrial Revolution to decrease the amount of manual sewing work performed in clothing companies. Since the invention of the first sewing machine, generally considered to have been the work of Englishman Thomas ...
An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals (a form of optical communication). There are two main types of such systems; the semaphore telegraph which uses pivoted indicator arms and conveys information according to the direction the indicators point ...
History. Founded as the White Manufacturing Company it took the White Sewing Machine Company name when it was incorporated in 1876. White Sewing Machines won numerous awards at international expositions, including the 1889 Universelle Exposition in Paris. White began supplying sewing machines to Sears Roebuck and Co in the 1920s.
The White Sewing Machine was the first sewing machine from the White Sewing Machine Company. [ 1 ] It used a vibrating shuttle bobbin driver design. For that reason, and to differentiate it from the later White Family Rotary that used a rotary hook design instead, it came to be known as the " White Vibrating Shuttle " or " White VS ".
The Singer Model 27 and later model 127 were a series of lockstitch sewing machines produced by the Singer Manufacturing Company from the 1880s to the 1960s. (The 27 and the 127 were full-size versions of the Singer 28 and later model 128 which were three-quarters size). They were Singer's first sewing machines to make use of " vibrating ...