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Manganin is a trademarked name for an alloy of typically 84.2% copper, 12.1% manganese, and 3.7% nickel. It was first developed by Edward Weston in 1892, improving upon his Constantan (1887). Manganin foil and wire is used in the manufacture of resistors , particularly ammeter shunts , because of its virtually zero temperature coefficient of ...
A CHRONOLOGICAL HISTORY OF ELECTRICAL DEVELOPMENT FROM 600 B.C. ... 155 EAST 44th STREET; NEW YORK 17, N. Y.; PRICE $2.00 ... The invention of "Manganin," the alloy ...
Richard Piries Company is the market leader and the pioneer in the tyre Retread industry of Sri Lanka and commands a market share of nearly 60%. In addition to that, it has become the largest Retreader in the whole of South Asia which is a remarkable achievement for a Sri Lankan company.
1971 JVP insurrection: Marxist insurrection conducted by the Janatha Vimukthi Peramuna against the government of Sri Lanka. 1972: Sri Lanka becomes a republic, and country's name Ceylon was changes to Sri Lanka: 1983 24–30 July Black July by the government and Sinhalese mobs; Beginning of the Sri Lankan Civil War: 1987 29 July Signing of the ...
China paid Ceylon Rs. 1.74 per pound of rubber, whereas the average world market price was Rs. 1.05 per pound. This premium varied with every five-year agreement. The handling charge, which was fixed at five cents per pound, also varied in subsequent years. China also agreed to supply rice to Sri Lanka below market prices, at £54 or Rs. 720 ...
Few periods of life are more closely monitored and supervised than during one's pregnancy. Throughout this time, trained medical professionals conduct a series of prenatal visits with the mother ...
The history of Sri Lanka is unique because its relevance and richness extend beyond the areas of South Asia, Southeast Asia and the Indian Ocean. The early human remains which were found on the island of Sri Lanka date back to about 38,000 years ago ( Balangoda Man ).
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