8 VITREOUS ENAMELING 



Holcrof, Harold. The principles of vitreous enameling of cast iron for in- 

 dustrial purposes. /. Soc. Chem. Ind., 29, 121-5 (1910); C. A., 4, 1227. 

 Four methods are discussed. 



Landau et Cie, and Rosenzweig. White enamel. French Patent 417,078, 

 June 13, 1910. J. Soc. Chem. Ind., 29, 1383. A substitute for tin oxide 

 is prepared by heating zirconium and calcium nitrates in the propor- 

 tions necessary to give 70 per cent zirconium and 30 per cent calcium. 



Landau, Kreidl, Heller and Co. White enamels. German Patent 274,860, 

 June 11, 1910. C. A., 8, 3107. Discusses the use of zirconium com- 

 pounds. 



Landrum, R. D. The manufacture of enameled ware. Trans. Kansas 

 Acad. Sci., 22, 76-80; C. A., 4, 1532. A brief but interesting description. 



Landrum, Robert D. Methods of analysis for enamels and enamel raw 

 materials. Trans. Amer. Ceram. Soc., 12, 144-74 (1910); Glasind., 26, 

 27, 28; C. A., 4, 258; /. Soc. Chem. Ind., 29, 1310. 



Mayer, M., and Havas, B. The function of the ground enamel. Sprechsaal, 

 43, 727-9 (1910); C. A., 5, 1981. 



Muffle kilns for iron enameling and other industrial purposes. Stahl . 

 Eisen, 1910, No. 36; Keram. Rundschau, 18, 495-7, 507-9, 520-3 (1910); 

 C. A., 5, 580. 



Shaw, J. B. Testing sheet steel enamels. Trans. Amer. Ceram. Soc., 12, 

 463-93 (1910); C. A., 5, 168; /. Soc. Chem. Ind., 29, 1310. 



Sonntag, S., and A. Enameled metal ware. German Patent 239,252, 

 Aug. 13, 1910. French Patent 419, 433, Aug. 17, 1910. English Patent 

 19,233, Aug. 16, 1910. C. A., 6, 2155; /. $oc. Chem. Ind., 29, 1383. 

 The cleaned surface is wetted with water to which a glutinous substance 

 has been added and the enamel powder sifted on. 



Tafner, H. Fluorite and its function in enamels. Sprechsaal, 43, 36-7 

 (1910); C. A., 5, 773; /. Soc. Chem. Ind., 29, 213. Enamels containing 

 calcium fluoride do not represent stable compounds as fluorine con- 

 tinues to be given off on heating. 



Underbill, D. Enameled cast iron sanitary ware. Foundry, 36, 17; C. A., 

 4, 2668. A good general survey of the entire field. 



Weiss, Ludwig. Zirconium oxide as a clouding agent in enamels and glasses. 

 Z. anorg. Chem., 67, 456; C. A., 5, 168. 



1911 



Coethen. The training of engineers for enamel works at Friedrich-Poly- 



technicum. Glashutte, 41, 309-10; C. A., 5, 2711. 

 Colin, L. V. Enameling. English Patent 17,270, July 28, 1911. C. A., 



7, 407. 

 Cox, John H. Comparison of commercial ground coats for cast iron enamels. 



Trans. Amer. Ceram. Soc., 13, 531-49 (1911); C. A., 5, 3892; /. Soc. Chem. 



Ind., 30, 1386. 

 Deutsche Stahhottich Ges. Subsequent enameling of rough places and weld- 



