Sketch of Prof. John Le Conte ; [and] Sensitive flames and sound-shadows (1889)
Stevens, W. Le Conte (Walter Le Conte), 1847-1927 · New York : D. Appleton · leaf 28
Fig. 5. SENSITIVE FLAMES AND SOUND-SHADOWS. 21 … Pig. 6.—o, advancing sinusoid; 6, returnins Binuaoid;c, advancing and returning ^inuBoids, forming twoloops and a node ; c « is a whole wave-length; c d,&half wave-lengih. sound to be 1,120 feet, reducing tliis to inches, and dividing by1*05 inch, the pitch of the whistle was thus found to be…
LeConte, John, 1818-1891 · Sound-waves
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
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