sulphide+of+lead
71Whisker (metallurgy) — Silver whiskers growing out of surface mount resistors Metal whiskering is a crystalline metallurgical phenomenon involving the spontaneous growth of tiny, filiform hairs from a metallic surface. The effect is primarily seen on elemental metals… …
72Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
73galena — lead ore, lead sulphide, c.1600, from L. galena mix of silver and lead; dross from smelting lead, of unknown origin …
74galena — /gəˈlinə/ (say guh leenuh) noun a very common heavy (sp. gr. 7.6) mineral, lead sulphide, PbS, occurring in lead grey crystals, usually cubes, and cleavable masses; the principal ore of lead. Also, galenite /gəˈlinaɪt/ (say guh leenuyt). {Latin:… …
75Photoresistor — The symbol for a photoresistor[1] A light dependent resistor …
76Wurt Pit and Devil's Punchbowl — Infobox SSSI name=Wurt Pit and Devil s Punchbowl aos=Somerset interest=Geological gridref=gbmappingsmall|ST543537 area=0.2 hectare (0.5 acre) notifydate=1987 http://www.natureonthemap.org.uk/map.aspx? ] Wurt Pit and Devil s Punchbowl… …
772006 Côte d'Ivoire toxic waste spill — The 2006 Côte d Ivoire toxic waste spill was a health crisis in Côte d Ivoire in which a ship illegally dumped toxic waste in up to 12 sites around the country s largest city, Abidjan, in August 2006. [“In pictures: Ivorian toxic waste”… …
78Silverton Tramway — The Silverton Tramway was an Australian convert|56|km|sing=on long RailGauge|42 narrow gauge railway running from Cockburn on the South Australian state border to Broken Hill in New South Wales. Operating between 1888 and 1970 it served the mines …
79Abies concolor — White White (hw[imac]t), a. [Compar. {Whiter} (hw[imac]t [ e]r); superl. {Whitest}.] [OE. whit, AS. hw[imac]t; akin to OFries. and OS. hw[=i]t, D. wit, G. weiss, OHG. w[=i]z, hw[=i]z, Icel. hv[=i]tr, Sw. hvit, Dan. hvid, Goth. hweits, Lith.… …
80Abies grandis — White White (hw[imac]t), a. [Compar. {Whiter} (hw[imac]t [ e]r); superl. {Whitest}.] [OE. whit, AS. hw[imac]t; akin to OFries. and OS. hw[=i]t, D. wit, G. weiss, OHG. w[=i]z, hw[=i]z, Icel. hv[=i]tr, Sw. hvit, Dan. hvid, Goth. hweits, Lith.… …
