01043cam a22002771 4500 s 13000111 DLC 20260227111911.0 771109s1898 dcuaf f000 0 eng c s 13000111 (OCoLC)3405847 Library, Smithsonian Institution NGenoU NGenoU OCoLC DLC premarc Q11 .S68 Lummer, O. (Otto), 1860-1925. A determination of the ratio (k) of the specific heats at constant pressure and at constant volume for air, oxygen, carbon-dioxide, and hydrogen. By O. Lummer and E. Pringsheim. Washington, Smithsonian Institution, 1898. v, 29 p. illus., plate. 34 cm. Smithsonian contributions to knowledge, v. 29, art. 6 Smithsonian Institution publication 1126. At head of title: Hodgkins Fund. Physics. Specific heat. Gases. Pringsheim, E. (Ernst), 1859-1917, joint author. 52663 52663