over head wire locomotive
1Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
2Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
3South Maitland Railway — [v · East Greta No1 Tunnel Colliery coal loader Legend …
4Wheel speed sensor — [ head unit.] Wheel speed sensors or vehicle speed sensors (VSS) are sender devices used for reading the speed of the vehicle s wheel rotation. It usually consists of a toothed ring and pickup. Special purpose speed sensors Rotary speed sensors… …
5North American railroad signals — Main article: North American railway signaling Baltimore and Ohio Railroad Color Position Light bracket masts at Magnolia, West Virginia North American railroad signals generally fall into the category of multi headed electrically lit units… …
6technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
7Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
8Org (Power Rangers) — The fictional villains of the Power Rangers universe that appeared in the television series Power Rangers Wild Force were pollution oriented creatures called Orgs (as were the villains in the corresponding Super Sentai series). An Org s life… …
9Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
10Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
