single-wound relay
41Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
42Words with two pronunciations — ◊ different meanings Several words have different pronunciations when they are used with different meanings or in different ways. Some of these words are explained in other entries. See entries at ↑ lead, ↑ read, ↑ use used used to, ↑ wind, and ↑ …
43words with two pronunciations — ◊ different meanings Several words have different pronunciations when they are used with different meanings or in different ways. Some of these words are explained in other entries. See entries at ↑ lead, ↑ read, ↑ use used used to, ↑ wind, and ↑ …
44Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …
45Major League Baseball television contracts — The following is a detailed description of the various television networks (both broadcast and cable), rights fees, and announcers who have called Major League Baseball games throughout the years (from the late 1930s through the present).… …
46Lunar Roving Vehicle — This article is about the Apollo rovers. For the Soviet robotic rovers, see Lunokhod program. For the planned Chinese robotic rover, see Chang e 3. The Lunar Roving Vehicle (LRV) or lunar rover was a battery powered four wheeled rover used on the …
47chile — /chil ee/, n. chili. * * * Chile Introduction Chile Background: A three year old Marxist government was overthrown in 1973 by a dictatorial military regime led by Augusto PINOCHET, who ruled until a freely elected president was installed in 1990 …
48Chile — Chilean, adj., n. /chil ee/; Sp. /chee le/, n. a republic in SW South America, on the Pacific Coast. 14,508,168; 286,396 sq. mi. (741,765 sq. km). Cap.: Santiago. * * * Chile Introduction Chile Background: A three year old Marxist government was… …
49Anti-ballistic missile — An anti ballistic missile (ABM) is a missile designed to counter ballistic missiles (a missile for missile defense). A ballistic missile is used to deliver nuclear, chemical, biological or conventional warheads in a ballistic flight trajectory.… …
50Delay line memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
