THE MEASUREMENT OF RESISTANCE 235 



through a glazed window in the top. Provision is made in the 

 case for storing the samples to be tested. 



References 



1. " Note on the Use of the Differential Galvanometer," C. W. S. CRAW- 

 LEY, Journal Institution Electrical Engineers, vol. 30, 1901, p. 908. 



2. "Zur Anwendung des Differential galvanometers bei genauen Wider- 

 standsmessungen," W. JAEGER, Zeit. fur Instrumentenkunde, vol. 24, 1904, 

 p. 288. 



3. "tleber eine Stopselanordnurg fiir Briickenzweigwiderstande," 

 O. SCHONK, Zeit. fiir Inatrumcntenkunde, vol. 18, 1898, p. 133. 



4. "On the Measurement of Resistance," ARTHUR SCHUSTER, Phil. Mag., 

 vol. 39, 1895, p. 175. "On Methods of High Precision for the Comparison of 

 Resistance-." F. K. SMITH, Report, British Association for the Advancement 

 of Science, llMMi, p. 106. "On Methods of High Precision for the Comparison 

 of High Resistances," F. E. SMITH, The Electrician, vol. 57, 1906, pp. 

 976-1009. 



5. " On Bridge Methods for Resistance Measurements of High Precision 

 in Platinum Thermometry," F. E. SMITH, Phil. Mag. vol. 24, 1912, p. 541. 

 ( 1 lln't<-,l Researches, Nat. Phys. Lai)., vol. 9, 1913, p. 221. 



6. "Pnizisionsmessungen an kleinen Widerstanden in der Thomsoncher 

 Briicke, \V. JAKI.KK. ST. LI.NDKCK, H. DIESSELHORST, Zeit. fiir Instru- 

 m<nlenkunde, vol. 23, 1903, pp. 33 and 65. 



7. "Adjustments of the Thomson Bridge in the Measurement of Very 

 Low Resistances," F. WKNNKK and K. WKIBKL, Bulletin of the Bureau of 

 Standards, vol. 11, 1914, p. 65. Scientific Papers of the Bureau of Stand- 

 ards, No. 225. "The Four Terminal Conductor and the Thomson 

 Bridge," FRANK WKNNKK. Hull, tin. Bureau of Standards, vol. 8, 1912, p. 559. 



8. Precision Resistance Measurements with Simple Apparatus," E. H. 

 RAYNER, Proc. Physical Society of London, vol. 27, 1915, p. 385. 



9. "On the Determination of the Insulation Resistance of Faults During 

 Working," O. FROELICH, The Electrician, vol. 30, 1893, p. 475. 



10. "Measurement of Insulation Resistance and Capacity of Individual 

 Conductors of an Alternating-current Network During Working," J. 

 SAHULKA, The Electrician, vol. 59, 1907, p. 999. 



11. Measurement of the Insulation Resistance of an Electric Wiring Sys- 

 tem," E. F. NORTHRUP, Electrical World, vol. 43, 1904, p. 966. 



12. Copper Wire Tables, third edition, Circular No. 31, Bureau of Stand- 

 ards, 1914. "The Electrical Conductivity of Copper," F. A. WOLFF and 

 J. H. DELLINGKH, Bulletin, Bureau of Standards, vol. 7, 1911, p. 103. 

 "The Temperature Coefficient of Resistance of Copper," J. H. DELLINQER, 

 Bulletin, Bureau of Standards, vol. 7, 1911, p. 71. 



13. "The Measurement of High Temperature," BURGESS and LE 

 CHATELIEK, John Wiley and Sons, 1912. "Platinum Resistance Thermo- 

 metry a t High Temperatures," C. W. WAIDNER and G. K. BURGESS, 

 Bulletin, Bureau of Standards, vol. 6, 1909-10, p. 149. 



