Graphs
Arkin, Herbert
Graphs how to make and use them by Herbert Arkin ... and Raymond R. Colton ... - Rev. ed. - New York London Harper & brothers [c1940] - xvi p., 2 l., 236 p. incl. front., illus., diagrs. 24 cm.
40034571 //r86
Graphic methods
QA90 / .A7 1940
510.84
Graphs how to make and use them by Herbert Arkin ... and Raymond R. Colton ... - Rev. ed. - New York London Harper & brothers [c1940] - xvi p., 2 l., 236 p. incl. front., illus., diagrs. 24 cm.
40034571 //r86
Graphic methods
QA90 / .A7 1940
510.84