Don't know of what you speak.



	-----Original Message----- 

	From: HISTORICAL ARCHAEOLOGY on behalf of Webb, Paul (Chapel Hill,NC-US) 

	Sent: Thu 4/10/2008 8:16 PM 

	To: [log in to unmask] 

	Cc: 

	Subject: Re: Cistern filters

	

	



	You coming to this gig at USC?

	

	-----Original Message-----

	From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of Carl

	Steen

	Sent: Thursday, April 10, 2008 10:14 AM

	To: [log in to unmask]

	Subject: Re: Cistern filters

	

	 I recently excavated a couple of cisterns at Fort Johnson, Charleston

	SC (38CH69.com). They didn't have filters, but I did find a number of

	patents using Google patents and found a wide variety of styles,

	including the pierced stoneware type someone else mentioned.

	

	Carl Steen

	

	

	

	

	

	

	

	-----Original Message-----

	From: [log in to unmask]

	To: [log in to unmask]

	Sent: Thu, 10 Apr 2008 9:58 am

	Subject: Re: Cistern filters

	

	

	

	

	

	

	

	

	

	

	At Mission San Antonio de Padua in California there is a reservoir with

	a

	small settling basin attached to it dating to ca. 1800.   The basin has

	a square

	

	floor tile set upright in the wall, with holes punched throough it.

	This

	served as a filter to remove large matewrials before entering an

	underground

	ceramic pipeline.   A Spanish construction that is pure Roman in detail.

	

	

	Bob Hoover

	

	

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