541.25 Bax R Baxter, Gregory Paul, 1876- Researches upon the atomic weights of cadmium, manganese, bromine, lead, arsenic, iodine, silver chromium, and phosphorus by Gregory Paul Baxter [and others] Washington, Published by the Carnegie Institution of Washington, 1910. vii, 185 p. ilus., tablas. 25 cm. (Carnegie Institution of Washington. Publication no. 135)