691 C Carpenter, Rolla Clinton, 1852-1919. Experimental engineering and manual for testing, for engineers and for students in engineers laboratories by Rolla C. Carpenter and Herman Diederichs. [Habana, Universidad, Asociación de Estudiantes de Ingenería, 1961. 192 p. ilus. 22 cm. ´´En la cubierta: Lecturas para:Ingles Tecnológico 1 y 2´´.