Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Ocrea
A greave, a leggin. A pair of greaves was one of the six articles of armour which formed the complete equipment of a Greek warrior, and likewise of a Roman soldier as fixed by Servius Tullius. They were made of various metals, with a...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Patera
A round plate or dish. The paterae of the most common kind were small plates of the common red earthenware, on which an ornamental pattern was drawn, and which were sometimes entirely black. The more valuable paterae were metallic, being...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Roman Coin
The so-called Republican, the earliest coinage, began at an early period of Roman history, and subsisted till about 80 B.C. Its standard metal was copper or bronze, an alloy of copper. - Chambers, 1881
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Sir Humphrey Davy
(1778-1829) British chemist and inventor remembered today for his discoveries of several alkali and alkaline earth metals, as well as contributions to the discoveries of the elemental nature of chlorine and iodine.