Haight invents graph device, 'Mecograph' charts may be photographed; used for display
Article Summary:
R. C. Haight has invented a device that will make graphic representations of statistical data.
Subject(s):
You might notice a new look and feel and updated functionality of IndexUNI. We’re still working out some kinks - if you have any questions please contact us at libarchives@uni.edu and we’ll be happy to assist!