place more reliance on joint tests. The procedure described for making 
joint tests on animal glues is also applicable to liquid glues. Here again 
joint tests must "be carefully made to "be of value. 
References 
Alexander, J. 
1923» Glue and gelatin, Chem. Catalog Co., New York. 
Bogue, R. H. 
1922. The chemistry and technology of gelatin and glue, McGraw- 
Hill Book Co., New York, 
Fernbach, R. L. 
1907« Glues and gelatine, D. Van Nostrand, New York. 
Gill, A. H. 
1925* A comparison of various tests upon glue, Indus. 8c Eng. Chem. 
1L 597-8. 
Houseman, P. A. 
1917* Glue for use on airplanes, Indus. 8c Eng. Chem. % 359~60. 
Jennings, D. 
1933. Quality of fish glues, Chem. Trade Jour. 22_, 105-7* 
Linder, 0,, and Frost, E. C. 
191U. Specifications and tests for glue, Amer. Soc. Testing 
Materials. Proc . Y^ 508-19 (v. lU, pt. 2). 
National Association of Glue Manufacturers. 
1930« Standard methods (revised) for determining viscosity and jelly 
strength of glue, Indus. & Eng. Chem., Anal. Ed. 2, 3^-8-51 • 
Rideal, A. 
1926. Glue and glue testing, Scott, Greenwood £ Son, London. 
Tressler, D. K. 
192H. Examination of liquid glue, Indus. & Eng. Chem. 16, 9^3~5» 
Truax, T. R. 
1929. The gluing of wood, U. S. Dept. of Agr. Bull. 1500. 
j Browne, F. L., and Brouse, Don. 
1929« Significance of mechanical v/ood-joint tests for the selection 
of woodworking glues, Indus. £ Eng. Chem. 21, 7^-9* 
United States Federal Specifications Board. 
1931« Federal specification for glue: Animal, woodworking No. CG k^l y 
May 26, 1931. 
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