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Start Over Subjects Optometry -- instrumentation ✖Remove constraint Subjects: Optometry -- instrumentation Authors Burnett, Swan M. (Swan Moses), 1847-1906, author ✖Remove constraint Authors: Burnett, Swan M. (Swan Moses), 1847-1906, author Titles The metre-lens: its English name and equivalent ✖Remove constraint Titles: The metre-lens: its English name and equivalent

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  • The metre-lens: its English name and equivalent1