INGALLS, ALBERT G., ed.
Amateur telescope making advanced; a sequel to Amateur telescope risking. NM: revisions & additions
INGALLS, ALBERT G., ed. Amateur telescope making advanced; a sequel to Amateur telescope risking. NM: revisions & additions © 14Jun44; A181264. Mrs. Albert G. Ingalls (W); 8Mar72; R524528.
Mrs. Albert G. Ingalls|W