Thanks José, good words about the magazine are always nice to hear
(especially from the editor of Nautilus).
Tom Eichhorst in New Mexico, USA
PS. To make this shell related (and cleaning related): The latest issue
has some images of the pond snails Physa gyrina Say, 1821, and P. acuta
Draparnaud, 1805. The specimens used were collected in the 1940s and 1950s
and are extremely brittle and fragile. They were cleaned in an ultrasonic
cleaner by baths of less than 20 seconds. I believe that too much longer
would have meant broken shells. Of course, normal marine shells like the
thousands of nerites I have cleaned can remain in the cleaner for any amount
of time required and I never worry about most land snails.
-----Original Message-----
From: Conchologists List [mailto:[log in to unmask]]On Behalf Of
"José H. Leal"
Sent: Wednesday, November 01, 2006 1:55 PM
To: [log in to unmask]
Subject: Re: (was) Cleaning without chemicals
Tom, this is not related to "cleaning without
chemicals", just a little note to thank you for a
very nice issue of American Conchologist. And
yes, it was meant to be sent to the whole list.
Cheers,
José
At 01:37 PM 11/01/06, you wrote:
>I also have and use an ultrasonic cleaner (meant for jewelry). I use a few
>drops of dish washing soap and tap water - it does a great job. It is not
>meant for encrusted material, but on dirt and grime it works perfectly.
The
>really nice thing is that you can clean small and delicate freshwater
>shells. While it is true that an ultrasonic jewelry cleaner is limited to
>fairly small shells, the larger ones can be cleaned with a toothbrush
>anyway.
>
>Tom Eichhorst in New Mexico, USA
>
>-----Original Message-----
>From: Conchologists List [mailto:[log in to unmask]]On Behalf Of
>Marcus Coltro
>Sent: Wednesday, November 01, 2006 11:01 AM
>To: [log in to unmask]
>Subject: RES: Cleaning without chemicals
>
>
>I have one of these ultrasonic cleaners (a small tank) which never gave any
>satisfactory results. I
>only used with plain water but someone told me it is necessary to use some
>sort of proper special
>liquid to remove dirt.
>
>Marcus
>
>-----Mensagem original-----
>De: Conchologists List [mailto:[log in to unmask]] Em nome de
Monfils,
>Paul
>Enviada em: quarta-feira, 1 de novembro de 2006 12:18
>Para: [log in to unmask]
>Assunto: Re: Cleaning without chemicals
>
>The answer to your question is ... sonicate! A small ultrasonic cleaner
>isn't too expensive, and it will remove every trace of sand and dirt and
>grit from a shell in a few seconds, while being very gentle to the shell
>itself. There are always many ultrasonic cleaners available on EBay. Some
>are quite large and powerful, and expensive. But many of them are small
and
>inexpensive.
>
>Paul M.
>
>--
>No virus found in this outgoing message.
>Checked by AVG Free Edition.
>Version: 7.1.409 / Virus Database: 268.13.22/512 - Release Date: 1/11/2006
>
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__________________________________________________________________________
José H. Leal, Ph.D., Director
The Bailey-Matthews Shell Museum
Editor, The Nautilus
www.shellmuseum.org
3075 Sanibel-Captiva Road
Sanibel, FL 33957 USA
(239)395-2233
fax (239)395-6706
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