Word: copper
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Dates: during 1910-1919
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This coin is a copper cent, and is known among collectors as one of the "Fugio" coins. It was one of the earliest coins under the authority of the United States, being coined in the city of New York in 1787, and struck by means of a drop piece. It is also known as the "Franklin," "Sun-Dial" and "Mind Your Business" cent...
...Geological Conference. "The Genesis of Engels Copper Deposit of California." Mr. D. H. McLaughlin. Mineralogical Lecture Room of University Museum...
Three other editions of the poems are those of Stephani, 1544; Martinus Juvenus, Paris, 1554; and a miniature volume, very prettily made by Pickering at London, 1724. There is also a superb book, in two volumes, printed from engraved copper plates by Pine in 1733. The binding is perhaps superior to any in the collection for craftsmanship and design...
Concerning bacteria in the water, proper precaution would be assured by the filter and artesian well system, with the use of copper sulphate. The copper sulphate is a small item, as about four pounds in solution in the pool would suffice. The situation of the pool and its lack of sunlight would not affect the presence of bacteria materially...
Professor Richards with assistants has revised the atomic weights of oxygen, nitrogen, copper, nickel, calcium, sodium, and many other elements. During the past year he has undertaken several important investigations which will be continued during the present year...