3C20.35 - Sirens
The brass sirens need to be lightly oiled on occasion and run on a very limited air flow
- Thomas B. Greenslade, Jr., "The Siren", TPT, Vol. 42, # 7, Oct. 2004, p. 418.
- Thomas B. Greenslade, Jr., "Sirens", AJP, Vol. 91, #4, April 2023, p. 306.
- George M. Hopkins, "Sound", Experimental Science, p. 169.
- John Henry Pepper, "Sensitive Flames", Cyclopadic Science Simplified, p. 493.
- 1.18: Charles Taylor, The Art and Science of Lecture Demonstration, p. 37- 40.
- Joseph Frick, "#145 - The Siren", Physical Technics: Or, Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limited Means", p. 171.
- Gerard L' E Turner, Nineteenth-Century Scientific Instruments, p. 136.
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