@article{https://resolver.caltech.edu/CaltechAUTHORS:20150810-124055548, title = "A Method of Testing Optical Glass", journal = "Publications of the Astronomical Society of the Pacific", year = "1912", url = "https://resolver.caltech.edu/CaltechAUTHORS:20150810-124055548", id = "record", issn = "0004-6280", doi = "10.1086/122139", volume = "24" }