43 8 SCIENCE PROGRESS 



attraction in a vertical direction upon the bulb, and thus 

 produce displacement of the sinker in a vertical direction. 

 This attraction produces the effect of added weights. The 

 error of the method, it is claimed, is less than one unit in the 

 seventh decimal place. 



References 



i. Lamb and Lee,/. Am. Chem. Soc. 191 3, 35, 1666. 



2. Wade and Merriman, T./. C. S. 1912, 2429. 



3. BOUSFIELD, ibid, 1908, 679. 



4. The Earl of Berkeley, ibid. 1907, 56. 



5. Osborne, McKelvey, and Bearce, Bull. Bur. Stand. Reprint, 197. 



6. Browne,/. Am. Chem. Soc. 191 3, 35, 955. 



7. Rae and Reilly, Chem. News, 191 6, 114, 187. 



