A graphic study of sounds waves emitted by singing tubes (1920)
Lapp, Claude Jerome · leaf 12
s very tightlystretched one strand of a three strand silk thread. This waspassed 0.154 cm. from the perpendicular fibers. A small mirror0.0435 cm. in width and 0.154 cm. long was mounted with its planeparallel to the diaphragm between the horizontal silk strand andthe vertical silk fibers. When a… … Fig. 2 F. A. Sbultze* has shown that paper is aperiodic and that apaper diaphragm is sensitive to sounds of any wave length. Thedermatype paper used was taken from dermatype stencils manufactured ♦Annalen d. Physik IV, Folge, Vol.34, p 785, 1907. 4 for the Edison-Dick mimeograph. This paper is…
Sound-waves · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.