paper master plate
61History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …
62Credit card — Personal finance Credit and debt Pawnbroker Student loan Employment contract Salary Wage Empl …
63Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
64Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
65Edward Drinker Cope — Edward Drinker Cope …
66etching — /ech ing/, n. 1. the act or process of making designs or pictures on a metal plate, glass, etc., by the corrosive action of an acid instead of by a burin. 2. an impression, as on paper, taken from an etched plate. 3. the design so produced. 4. a… …
67Malta — This article is about the Mediterranean country. For other uses, see Malta (disambiguation). Republic of Malta Repubblika ta Malta …
68Movable type — For the weblog software, see Movable Type. Part of a series on the History of printing …
69Timeline of computing hardware 2400 BC–1949 — History of computing Hardware before 1960 Hardware 1960s to present Hardware in Soviet Bloc countries Artificial intelligence Computer science Operating systems Programming languages …
70X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …
