signalling apparatus
21River Irvine — ] cite book| last=Groome| first=Francis H.| date=1880 85| title=Ordnance Gazetteer of Scotland: A Survey of Scottish Topography, Statistical, Biographical and Historical published in parts by Thomas C. Jack| Publisher=Grange Publishing Works|… …
22MTR EMU SP1900 — Infobox Train background = orange name = MTR EMU SP1900, SP1950 imagesize = 250px caption = SP1900 of HK MTR lines|West Rail before merger interior interiorcaption = The interior of HK MTR lines|East Rail SP1900 InService = Manufacturer = Kinki… …
23Wairarapa Railway Restoration Society — The Wairarapa Railway Restoration Society is a railway heritage and preservation community group in the town of Carterton, in the Wairarapa district of New Zealand s North Island. The society has leased the Carterton railway station building… …
24Waingawa Railway Station — Infobox Station name=Waingawa type=New Zealand Government Railways Department regional rail image size= image caption=Waingawa railway station platform. address=Waingawa Road, Wairarapa, New Zealand coordinates=… …
25MTR K-Stock EMU — Infobox Train background = name = K Stock imagesize = 250px caption = TCL K stock on the HK MTR lines|Tung Chung. interior interiorcaption = Interior of the K Stock, currently operating on the HK MTR lines|Kwun Tong InService = Manufacturer =… …
26buzzer — /ˈbʌzə/ (say buzuh) noun 1. someone or something that buzzes. 2. a signalling apparatus similar to an electric bell, but producing sound by the vibration of an armature …
27semaphore — n. & v. n. 1 Mil. etc. a system of sending messages by holding the arms or two flags in certain positions according to an alphabetic code. 2 a signalling apparatus consisting of a post with a movable arm or arms, lanterns, etc., for use (esp. on… …
28teleseme — /telˈi sēm/ noun A signalling apparatus with an indicator ORIGIN: ↑tele (1), and Gr sēma a sign …
29Invention 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 …
30Liste der Telekommunikationsstandards — Liste von Standards und Richtlinien aus der Telekommunikation. Inhaltsverzeichnis 1 ETSI 1.1 Nomenklatur 1.1.1 derzeit gültige Nomenklatur 1.1.2 vorherige Nomenklatur …
