Date: Mon, 27 Nov 2006 16:17:38 -0500
Reply-To: Dan Crowl <crowl**At_Symbol_Here**MTU.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Dan Crowl <crowl**At_Symbol_Here**MTU.EDU>
Subject: Re: Water Hammer Hazard
Comments: To: "Murphy, Dr. Ruth Ann"
In-Reply-To: <4E2E6B81A1D0FE4E8E2B01F5FE9A012606866D80**At_Symbol_Here**>


My physics teacher in high school had the same result the first time he 
used the device in class!

That was in 1966!

I bet it is the same device!

Dan Crowl
Professor of Chemical Engineering
Michigan Tech University
Houghton, MI

Murphy, Dr. Ruth Ann wrote:
> Dear CHAS Members:
> A water hammer (lecture demonstration device) broke this month when
> lowered, sending glass flying in my classroom.  The water hammer is
> designed to make a loud noise when properly lowered; however this
> hazard, previously unknown to me, should require strict warnings for its
> use, or the substitution of something safer.
> Ruth Ann Murphy, Ph.D. 
> Chemistry Dept. Chairperson and Professor 
> The University of Mary Hardin-Baylor 
> 900 College Street 
> Belton, TX  76513-2599 
> Phone (254) 295-4542 
> Fax (254) 295-4237 

Previous post   |  Top of Page   |   Next post

The content of this page reflects the personal opinion(s) of the author(s) only, not the American Chemical Society, ILPI, Safety Emporium, or any other party. Use of any information on this page is at the reader's own risk. Unauthorized reproduction of these materials is prohibited. Send questions/comments about the archive to
The maintenance and hosting of the DCHAS-L archive is provided through the generous support of Safety Emporium.