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List of electronic color code mnemonics Mnemonics are used to help memorize the electronic color codes for resistors. Mnemonics describing specific and relatable scenarios are more memorable than abstract phrases.
An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.
The Boston-area trolleybus (or, as known locally, trackless trolley) system formed part of the public transportation network serving Greater Boston in the U.S. state of Massachusetts. It opened on April 11, 1936, [2] [3] with a large network operating for the next quarter-century. Measured by fleet size, the Boston-area system was the second-largest trolleybus system in the United States at ...
Boston-area streetcar lines Boston-area streetcar lines remaining in 1940 (in green), plotted against a map of the BERy's subway and elevated lines (in purple). The shade of green for each line denotes how long the line lasted after this; the lightest-green lines were abandoned in 1945 or earlier, the second-lightest lines were abandoned from 1946 to 1950, the second-darkest lines were ...
Streetcars in North America. The Toronto Transit Commission maintains the most extensive system in the Americas (in terms of total track length, number of cars, and ridership). Streetcars or trolley (car)s ( North American English for the European word tram) were once the chief mode of public transit in hundreds of North American cities and towns.
The 25-pair color code, originally known as even-count color code, [1] is a color code used to identify individual conductors in twisted-pair wiring for telecommunications .
25-pair color code chart used in certain kinds of wiring. A color code is a system for encoding and representing non-color information with colors to facilitate communication. This information tends to be categorical (representing unordered/qualitative categories) though may also be sequential (representing an ordered/quantitative variable).
The Newton and Boston Street Railway was organized in 1891. It soon opened an electric trolley line between Newton Upper Falls and Newtonville, with regular service beginning August 31, 1892. An 1897 map and an 1899 map show a branch to Newton Centre. The 1899 map also shows a branch of the Commonwealth Avenue Street Railway very closely ...