signalling apparatus
31Reginald A. Fessenden — Reginald Fessenden Pour les articles homonymes, voir Fessenden. Reginald Fessenden Reginald Aubrey Fessenden (6 octobre 1866 à …
32Reginald Aubrey — Reginald Fessenden Pour les articles homonymes, voir Fessenden. Reginald Fessenden Reginald Aubrey Fessenden (6 octobre 1866 à …
33Reginald Aubrey Fessenden — Reginald Fessenden Pour les articles homonymes, voir Fessenden. Reginald Fessenden Reginald Aubrey Fessenden (6 octobre 1866 à …
34Reginald Fessenden — Pour les articles homonymes, voir Fessenden. Reginald Fessenden Reginald Aubrey Fessenden (6 octobre 1866 à Bolton Est, Québec …
35Caller ID — (caller identification, CID), also called calling line identification (CLID) or calling number identification (CNID) or Calling Line Identification Presentation (CLIP), is a telephone service, available in analog and digital phone systems and… …
36MPEG-2 — Not to be confused with MPEG 1 Audio Layer II (MP2). MPEG 2 is used in Digital Video Broadcast and Digital Versatile Discs. The MPEG transport stream, TS, and MPEG program stream, PS, are container formats. MPEG 2 is a standard for the generic… …
37Marconi's law — is the relation between height of antennae and maximum signalling distance. Guglielmo Marconi enunciated at one time an empirical law that, for simple vertical sending and receiving antennae of equal height, the maximum working telegraphic… …
38Northern Counties Committee — The Northern Counties Committee (NCC) was a railway that served the north east of Ireland. It was built to Irish gauge (1,600 mm (5 ft 3 in)) but later acquired a number of 914 mm (3 ft)  narrow gauge… …
39Magnifying transmitter — The magnifying transmitter was designed to implement Wireless energy transmission by means of the disturbed charge of ground and air method. The magnifying transmitter is an advanced version of Tesla coil transmitter. It is a high power harmonic… …
40Battersea Park rail crash (1937) — infobox UK rail accident title= Battersea Park rail crash date= 2 April 1937 location= Battersea Park railway station line = South London Line cause= Signalling error trains= 2 pax= 350 400 deaths= 10 injuries= 7The Battersea Park rail crash… …
