Retarder — can mean:* Acrylic retarder, a chemical agent added to fine art acrylic paint to slow its short drying time * Retarder (chemistry), a chemical agent that slows down a chemical reaction * Retarder (mechanical engineering), a device for slowing… … Wikipedia
retarder — rə̇ˈtärdər, rēˈ , tȧdə(r noun ( s) Etymology: retard (I) + er : one that retards: as a. : a substance that when added to a cement or to gypsum plaster prolongs the setting time b … Useful english dictionary
Classification yard — North Yard in Denver, Colorado, a typical U.S. classification yard in 2009 … Wikipedia
Dynamic braking — Norfolk Southern Unit #5348 with a Dynamic brake. The cooling grill for the brake grid resistors is at the top center of the locomotive. Dynamic braking is the use of the electric traction motors of a railroad vehicle as generators when slowing… … Wikipedia
Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations … Wikipedia
List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… … Wikipedia
Lake Street Elevated — Railroad Création 7 février 1888 Disparition 9 janvier 1924 Fondateurs Michael C. Mc Donald … Wikipédia en Français
Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive … Wikipedia
Krauss-Maffei ML 4000 C'C' — Nummerierung: Denver Rio Grande Western: 4001, 4002, 4003 Southern Pacific: erste Serie: 9000, 9001, 9002 zweite Serie: 9003 9017 von D RGW übern.: 9021, 9022, 9023 Nach 1965: 9100 9120 Anzahl: Erste Serie(Cab Units): 6 Zweite Serie(Hood… … Deutsch Wikipedia
Krauss-Maffei ML 4000 CC — Krauss Maffei ML 4000 C C Nummerierung: Denver Rio Grande Western: 4001, 4002, 4003 Southern Pacific: erste Serie: 9000, 9001, 9002 zweite Serie: 9003 9017 von D RGW übern.: 9021, 9022, 9023 Nach 1965: 9100 9120 Anzahl: Erste Serie(Cab Units) … Deutsch Wikipedia