1. A Strain-Gage System for Fiber Testing
2. Determination of Denier and Strength of Single Filaments by Vibroscope and Heim Tensile Tester
3. 13—A MICROBALANCE FOR WEIGHING TEXTILE FIBRES
4. Seebeck, A., Abhandl. math.phys. Klasse sächs. Ges. Wiss. (Leipzig ) (1852). Or see: Lord Rayleigh, "The Theory of Sound," vol. I, 2nd ed. London, Macmillan, 1894, p. 301; reprinted by Macmillan, 1926, 1929; New York, Dover, 1945; and P.M. Morse, "Vibration and Sound," 2nd ed. New York, McGraw-Hill, 1948, p. 170.