horn guide
1Horn — may refer to: * Horn (anatomy), the pointed projection of the skin of various animals, as an organ or its material * Horn (surname)In music and sound * Horn (instrument), sometimes called a French horn, a brass musical instrument constructed of… …
2Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… …
3Horn speaker — A horn speaker is a loudspeaker which uses a horn to increase the overall efficiency of the driving element, typically a diaphragm driven by an electromagnet. The horn itself is a passive component and does not amplify the sound from the driving… …
4Horn (acoustic) — A horn is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximising the efficiency with which sound waves from the particular source are transferred to the air.… …
5Horn Antenna — Infobox nrhp name =Horn Antenna nrhp type = nhl caption = location= Holmdel, New Jersey USA lat degrees = 40 lat minutes = 23 lat seconds = 29.43 lat direction = N long degrees = 74 long minutes = 11 long seconds = 6.91 long direction = W… …
6Horn Pond Branch Railroad — B L Stammstrecke Boston–Lowell, Stand 1999[1][2] Legende …
7Horn Concerto No. 1 (Haydn) — Joseph Haydn s Horn Concerto No. 1 in D major, Hoboken VIID:3 was completed in 1762, when Haydn was new to the Esterhazy court. [John Humphries, The Early Horn: A Practical Guide . Cambridge University Press (2000): 83] The work is in three… …
8horn coral — ▪ fossil order any coral of the order Rugosa, which first appeared in the geologic record during the Ordovician Period, which began 488 million years ago; the Rugosa persisted through the Permian Period, which ended 251 million years ago.… …
9horn-fish — n. Greenbone, sea needle, gar pike, gar fish, sea pike, long nose, gore bill, sword fish, mackerel guide, horn pike (Esox belone or Belone vulgaris) …
10Train horn — Nathan model M5 locomotive air horn Train horns are audible warning devices found on most diesel and electric locomotives. Their primary purpose is to alert persons and animals to the presence of a train, especially when approaching a grade… …
