Date: Mon, 27 Nov 2006 14:29:23 -0600
Reply-To: "Murphy, Dr. Ruth Ann" <rmurphy**At_Symbol_Here**UMHB.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Murphy, Dr. Ruth Ann" <rmurphy**At_Symbol_Here**UMHB.EDU>
Subject: Water Hammer Hazard
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 

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