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In the early 1990s, the Atlas Tool Co. changed its name to Atlas Model Railroad Company, Inc. In 1997 Atlas O, LLC was established as a separate business entity dedicated to producing multiple lines of O scale model railroad products including track, freight cars, locomotives and accessories, co-founded and led by James J. Weaver.
The scales used include the general European modelling range of Z, N, TT, H0, 0 and also the large model engineering gauges of I to X, including 3 + 1 ⁄ 2, 5, 7 + 1 ⁄ 4 and 10 + 1 ⁄ 4-inch gauge. As 00 is a particularly British scale, it is not included within this pan-European standard. However the predominantly US imperial-based S scale ...
The term N gauge refers to the track dimensions, but in the United Kingdom in particular British N gauge refers to a 1:148 scale with 1:160 (9 mm or 0.354 in) track gauge modelling. The terms N scale and N gauge are often inaccurately used interchangeably, as scale is defined as ratio or proportion of the model, and gauge only as a distance ...
Model railway gauges are covered in rail transport modelling scales. Train with model Southern Railway Schools class. Triple-gauge pointwork ( 3 + 1 ⁄ 2 in, 5 in, and 7 + 1 ⁄ 4 in) on the Orchid Line .
In most European countries, the largest scale topographic map series is a 1:25.000 scale series. Notable exceptions are Austria (1:50,000) and Finland (1:20,000). Many non-European states limit the largest scale of their map series, usually to 1:50,000 scale, frequently due to the large size of the country covered (and hence for financial reasons).
In the 2004 Guinness World Records, Train Mountain is recognized as the “Longest Miniature Hobby Railroad”. [4] At the time Train Mountain was recognized by Guinness, it was reported to have 69,900 feet (13.24 mi; 21.3 km) of 7 + 1 ⁄ 2 in (190.5 mm) gauge mainline track and 133,250 feet (25.237 mi; 40.61 km) of total track including yards, sidings, spurs, and connector tracks.
Maps are useful in presenting key facts within a geographical context and enabling a descriptive overview of a complex concept to be accessed easily and quickly. WikiProject Maps encourages the creation of free maps and their upload on Wikimedia Commons. On the project's pages can be found advice, tools, links to resources, and map conventions.
Alvin Jewett Johnson (1827-1884), also known as A.J. Johnson, led the New York City publishing company which published Johnson's Family Atlases from 1860 to 1887. These atlases were published under his name alone or with Browning (1860–62) and Ward (1862-1866), and are fascinating because the sequence of atlas maps documented the growth of the United States during this quarter century ...