Edison's Electric Light and Power System, · Photo credit: Richard Warren Lipack / Wikimedia Commons. First page of The Edison Electric Light Co. "First Bulletin" dated Jan. 26, 1882 and part of consecutive five bulletin run that the Edison company produced internally for it agents and employees.How combine harvesters work, · An easy-to-follow explanation of how combine harvesters cut and separate crops, with a diagram showing the working parts inside. I n 1800, something like 90 percent of the entire US population was employed working the land; fast-forward 200 years and you'll find only 2 percent of people are now working this way. ...Top 10 Sheet Fed Scanners of 2020 | Video Review, · In 1913, the Belinograph, invented by Edouard Belin, became the first device to use a photocell to read a given page for transmission over phone lines. This technology became the standard for news agencies for nearly a century, only to be replaced as digital photo sensor technologies became smaller and less expensive.Bowl feeders in the industry, · It's actually not the feeder I'm fretting over, it's the 'escapement' mechanism. The pieces are steel so a magnetic conveyor could be an option. The parts are small..1.250 X .187 X .250 but because they will be stamped there is concern about a small raised burr.Pinoybix, · The drum diameter of a facsimile machine is 90.2 mm and the scanning pitch is 0.2 mm per scan. Find the index of cooperation according to CCITT A. 451 B. 2.22 x 10^-3 C. 1417 D. 144 ....
How do fountain pens work?, · Who really invented fountain pens? Artwork: The original sketch of Lewis Waterman's invention from his 1884 patent. From US Patent 293,545: Fountain Pen by Lewis Waterman, patented February 12, 1884, courtesy of United States Patent and Trademark Office.Laser printing, · Invented at Xerox PARC in the 1970s, laser printers were introduced for the office and then home markets in subsequent years by IBM, Canon, Xerox, Apple, Hewlett-Packard and many others. Over the decades, quality and speed have increased as the price has fallen, and the once cutting-edge printing devices are now ubiquitous.Top 9 Scanners of 2020 | Video Review, · In 1888, an American electrical engineer named Elisha Gray put scribes out of their jobs when he invented the telautograph, the world's first fax machine. Using a telegraph, Gray was able to transmit the movements of a pen from one side of town to another with such accuracy and precision that it was impossible to distinguish between an original autograph and a telautograph.Ticket machine, · A ticket machine, also known as a ticket vending machine (TVM), is a vending machine that produces paper or electronic tickets, or recharges a stored-value card or smart card or the user's mobile wallet, typically on a smartphone. For instance, ticket machines dispense train tickets at railway stations, transit tickets at metro stations and ...The History of Welding, · Seaton's device was first used in 1872, for the 1870 census, and then again in 1880. Seaton also invented a matrix printing apparatus for census work. While the Seaton machine was an improvement, the device was not advanced enough to keep up with the flood of data received for the 1880 census; final tabulations for that census did not finish until 1887..
Kludge, · Part of the Miles Glacier Bridge, with a "kludge" (temporary fix) to make the bridge usable after earthquake damage. A kludge or kluge (/klʌdʒ, kluːdʒ/) is a workaround or quick-and-dirty solution that is clumsy, inelegant, inefficient, difficult to extend and hard to maintain. This term is used in diverse fields such as computer science ...How the Telephone Was Invented, · The first exchange using the Strowger switch was opened in La Porte, Indiana, in 1892. Initially, subscribers had a button on their telephone to produce the required number of pulses by tapping. Then an associate of Strowgers' invented the rotary dial in 1896, replacing the button.1911 Encyclopædia Britannica/Printing, · This was about 1825, but it was William A. Bullock (1813-1867) of Philadelphia who in 1865 invented the first machine to print from a continuous web of paper. This machine had two pairs of cylinders, that is, two type or stereotype cylinders, and two others which gave the impression as the web passed between.
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