e of pitch. producing that tone. The length of a closed resonant by circuitous streets to the residence of the bride. The The siren is shown in Fig. 4 in connection with tube is one-fourth that of the sound wave to which it re- mechanism for driving it by hand. It is provided with mouths of the… … 2.-SIREN FOR MEASURING eral knowledge."—Universal Tinker. Fig. the character " felici- Fig. l.-DETERMINING SPEED BY RESONANCE. VELOCITIES. ty" painted on them; * i ■ i » What are tbe Thoughts of tbe Dying ? then came halber- that of the sound wave to which it responds. It is In the Soci6t^ de…
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