Parallaxes of 260 Stars, Derived From Photographs Made at the Leander McCormick Observatory : Legare Street Press : 9781019875773 : 1019875771 : 18 Jul 2023 : A scientific report detailing the parallax measurements of 260 stars, observed and recorded using the Leander McCormick Observatory's advanced photographic equipment. Written by astronomer and observatory founder S. A. McCormick, this report is a groundbreaking contribution to the field of observational astronomy. With detailed charts and diagrams, this work is an essential resource for any astronomer or student of astronomy. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we