Heliograph — A Heliograph (from the Greek helios (Lang el| Ἥλιος), meaning sun , and (γραφειν) = write) is a wireless solar telegraph that signals using Morse code flashes of sunlight reflected by a mirror. The flashes are produced by momentarily pivoting the … Wikipedia
Nelson A. Miles — Nelson Appleton Miles … Wikipedia
Telecommunication — A parabolic satellite communication antenna at the biggest facility for satellite communication in Raisting, Bavaria, Germany … Wikipedia
Wildfire — This article is about uncontrolled outdoor fire. For the New York rock band, see Forest Fire (band). For other uses, see Wildfire (disambiguation). Crown Fire redirects here. For the 2010 wildfire in Southern California, see 2010 California… … Wikipedia
Lest Darkness Fall — First edition c … Wikipedia
Pinaleno Mountains — Geobox|Range name=Pinaleño Mountains image size= image caption= country=United States state=Arizona geology=|orogeny= highest=Mount Graham highest lat d=32|highest lat m=42|highest lat s=05|highest lat NS=N highest long d=109|highest long… … Wikipedia
Lupe — Klassische Leselupe Eine Lupe (von frz. loupe), auch Vergrößerungsglas genannt, ist eine Konvexlinse kleiner Brennweite zum Handgebrauch. Befindet sich ein Gegenstand innerhalb der Brennweite f erzeugt sie ein aufrechtes virtuelles Bild von ihm.… … Deutsch Wikipedia
surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… … Universalium
HAGANAH — (Heb. הַגָּנָה), the underground military organization of the yishuv in Ereẓ Israel from 1920 to 1948. The idea of establishing a defense organization that would protect the yishuv throughout Ereẓ Israel was born during the Ottoman period. The… … Encyclopedia of Judaism