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A flange-bearing frog, often abbreviated FBF, is a type of frog in which the flange of the wheel on a railway vehicle supports the weight of the vehicle. In conventional practice, the tread of the wheel rests on the head of the rail and bears the weight of the vehicle, while the flange is used to keep the vehicle in the gauge of the track .
Mariliabatrachus was an extinct genus of frog described based on several fossils found in the Campanian Adamantina Formation, Bauru Group, Brazil.The holotype comprises a postmetamorphic adult individual measuring about 38.5 mm (1.52 in).
A swingnose crossing or moveable point frog is a device used at a railroad switch to eliminate the gap at the common crossing (a.k.a. frog) which can cause damage and noise. Fixed crossing [ edit ]
The Ohio Steel Company of Cuyahoga Falls made miniature rails with the unusually large weight of 16 lb/yd (7.9 kg/m), twice as heavy as those for other park railways, as well as switches and their flange-bearing frogs for $42/t. [2] The railway loop began south of the large pavilion, built in 1898.
Frogs from the Microhylidae occur throughout the tropical and warm temperate regions of North America, South America, Africa, eastern India, Sri Lanka, Southeast Asia, New Guinea, and Australia. Although most are found in tropical or subtropical regions, a few species can be found in arid or nontropical areas.
Flange-bearing frog; Floyd Bennett Field, a former airfield near New York City; Forbrugsforeningen, a Danish trade loyalty society; Frankfurt Book Fair, a German trade fair; Fredrika Bremer Association (Swedish: Fredrika-Bremer-Förbundet), a Swedish women's rights organization; Free the Bears Fund, an Australian wildlife charity
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Limnonectes larvaepartus is a species of fanged frog in the family Dicroglossidae endemic to northern and western Sulawesi, Indonesia. [2] It is unique in that it has internal fertilization and gives live birth to tadpoles. [1] Other frog species that have live birth produce froglets.
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