6 presentation(s) on 'whistle'

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TOROID TOROID

This presentation is about my two toroidal whistle patents that resulted from my research in Flue Pipe Acoustics. These whistles have superior propagation and penetration to current warning sirens per rated dB due to less atmospheric absorption loss/Hz..

Tags: Background , HoR , Invention , Loudest , Outdoor , Plain , Prototype , Test , TOROID , Toroidal , Toroidal , Warning , Whistle , Whistle , Whistles

By:  acoustics101

Science & Technology 39 months ago     Download

2004 09 Toni Beardon Golden Thoughts 2004 09 Toni Beardon Golden Thoughts

Tags: 09 , 2004 , Beardon , Beautiful , Compass , Construct , GOLDEN , GOLDEN , Mathematical , Places , Ruler , Stop , Thoughts , THOUGHTSa , Toni , Tour , Whistle

By:  Marietta1

Education 48 months ago

Mr Obama Goes to Washington PEN 2943 Mr Obama Goes to Washington PEN 2943

This presentation details President- elect Barack Obama's historic whistle- stop train trip to Inaugural ceremonies, in Washington, D. C.

Tags: 2943 , Barack , Celebrations , DEL , Facebook , Goes , Historic , Html , InauGural , Inauguration , MR , Obama , Obama , PEN , President Obama , Ride , Stop , Train , Washington , Washington , Whistle

By:  Peachebooks

Education 37 months ago

Beyond Whistle Blowing Beyond Whistle Blowing

Tags: Business ethics

By:  shreejit_mitra

Business & Finance 23 months ago     Download

���֡�С·whistle music of a Russian song ���֡�С·whistle music of a Russian song

Tags: No tags for this presentation

By:  aSGuest110553

Entertainment 5 months ago     Download

Assocham_Whistle- Blower Assocham_Whistle- Blower

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By:  aSGuest58892

Entertainment 18 months ago     Download