Author: Roy Marks
Title: Factors for consideration in the design and construction of single vision and multifocal lenses
Publisher: [s.l. s.n.
Subject (keywords, tags): Lenses
Contributor: University of California Libraries
Size: 14 kb
War of Jenkins' Ear starts: Kingdom of Great Britain Prime Minister, Robert Walpole, reluctantly declares war on Spain.,
World War II: The Second Battle of El Alamein starts- At El Alamein in northern Egypt, the British Eighth Army under Field Marshal Montgomery begin a critical offensive to expel the Axis Powers armies from Egypt, never to return.,