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Siegbahn, Karl Manne Georg

(Encyclopedia)Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell arrangement of elec...

piquet

(Encyclopedia)piquet or picquet both: pēkāˈ [key], card game played by two persons with a deck of 32 cards—7 (low) up to ace (high) in each suit. Each player receives 12 cards, and eight cards are left on the ...

Channel Islands National Park

(Encyclopedia)Channel Islands National Park: see Channel Islands, California; National Parks and Monuments (table)national parks and monuments (table). ...

Fort Davis National Historic Site

(Encyclopedia)Fort Davis National Historic Site: see National Parks and Monuments (table)national parks and monuments (table); Davis Mountains. ...

Fort Matanzas National Monument

(Encyclopedia)Fort Matanzas National Monument: see Saint Augustine, Fla.; National Parks and Monuments, tablenational parks and monuments, table. ...

Johnstown Flood National Memorial

(Encyclopedia)Johnstown Flood National Memorial: see Johnstown (2); National Parks and Monuments (table)national parks and monuments (table). ...

National Park of American Samoa

(Encyclopedia)National Park of American Samoa: see American Samoa; National Parks and Monuments (table)national parks and monuments (table). ...

Lowell National Historical Park

(Encyclopedia)Lowell National Historical Park: see Lowell; National Parks and Monuments (table)national parks and monuments (table). ...

Tupelo National Battlefield

(Encyclopedia)Tupelo National Battlefield: see Tupelo, Miss.; National Parks and Monuments (table)national parks and monuments (table). ...

Whitman Mission National Historic Site

(Encyclopedia)Whitman Mission National Historic Site: see National Parks and Monuments (table)national parks and monuments (table); Whitman, Marcus. ...