5 Matching Results

Search Results

Advanced search parameters have been applied.

[Letter from Emily Gray to Charles Francis, June 9, 2004]

Description: A letter from Emily Gray to Charles C. Francis inviting him to attend the 2004 Republican National Convention in New York City as part of the Bush's "Friends and Family" program. The letter contains information for lodgings and transportation and mentions a reservation and questionnaire to fill out as well as one if Francis is unable to attend.
Date: July 9, 2004
Creator: Gray, Emily
Partner: UNT Libraries Special Collections

Apparatus for Testing Errors of Refraction

Description: Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date: July 2, 1907
Creator: Bahn, Gustavus Adolphus
Partner: UNT Libraries Government Documents Department
Back to Top of Screen