Philip Greenspun illustration project/Round 1/Request list/21

Philip Greenspun illustration project
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Round 1
Request list

• JIRA: https://jira.toolserver.org/browse/PGIP-47
• US$40

(en) Klaxon horn

• http://en.wikipedia.org/wiki/Klaxon
• Example: http://boomeria.org/physicslectures/secondsemester/sound/sound2.html
• tags: mechanics