Weld, Le Roy ‘Dougherty, 1880- **H5129.41 Theory of errors and least squares: a textbook for college students and research workers. — New York. The Macmillan Co. 1916. xii, (1), 190 pp. Dia- grams. 18% cm., in 8s.
) Tee MA i Os This card was printed at the Boston Public Library, August 30, 1916.
Ko181 — Errors of observations. — Least squares, Method of.