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Date:         Fri, 14 Feb 2003 09:59:08 -0800
Reply-To:     Mark Dorm <mark_hb@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark Dorm <mark_hb@HOTMAIL.COM>
Subject:      Re: stethescoper
Comments: To: dbeierl@ATTGLOBAL.NET
Content-Type: text/plain; format=flowed

So could you use it for hearing bearing noise? Like when buying a car et... I've been to an auction for cars, but never saw any of the dealers use one of these...

>From: David Beierl <dbeierl@ATTGLOBAL.NET>

> >At 07:53 AM 2/14/2003, Jay L Snyder wrote: >>A piece of hose works just as well. Just don't get it caught it anything. > >Hose gives different results -- that will let you localize sounds in the >air which is certainly useful; but a stethoscope (or the famous screwdriver >trick) lets you hear and locate sounds travelling through the metal that >never make it to the outside in any audible way. A regular mechanic's >stethoscope has a thin metal diaphragm with a long thin rod extending from >the middle. The diaphragm is what converts the vibrations of the rod to an >airborne sound that travels through the tubes into your ears. Only real >difference from a doctor's stethoscope is the rod sticking out, and the >doctor's ones are made better...they both have a diaphragm of some sort. > > >david > >-- >David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/ >'84 Westy "Dutiful Passage" >'85 GL "Poor Relation"

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