Résultats

      Early surveyors, like William E. Logan, used Rochon micrometer telescopes and targets (disk on a calibrated pole) to measure distance. Each microscope had a different calibration and therefore a different range. The instruments were calibrated against a distance measured with a surveyors chain (also known as Gunter’s chain). One chain …

      These documents highlight a group of strong, caring, and dedicated women: Nurses. As the large majority of our records are about cardinals, archbishops, and priests, there is, unfortunately, a dearth of material about women in our collections. That being said, these men had sisters, mothers, aunts, cousins, and friends, some …