[Nhcoll-l] [EXTERN] Re: Historic jars gasket

[Laura Rincón]

Thanks everybody for your answers! They're very helpful.

Rob, I hope you're doing good as well.

Best,
Laura

On Mon, Feb 5, 2024 at 1:16 PM Dirk Neumann <d.neumann at leibniz-lib.de>
wrote:

> Hi Laura,
>
> the 3 mm gap between the lid and the neck of the jar is not the problem,
> unless the stopper itself fits nicely into the joint and the contact
> surfaces / diameters of the neck-joint and the stopper fit (i.e. the
> stopper would not wobble in the joint). Even then, you could use slightly
> more Alsirol to fit the stopper in the slightly wider opening, because the
> Alsirol - compared e.g. to Vaseline, is rather stable and would not start
> flowing down.
>
> Silicon and other sealants like putty are hard to remove and not so easily
> "reversible". The contact surface of the joint should be long enough to
> make a good closure, an additional gasket is not required in my view.
>
> Hope this helps,
> with best wishes
> Dirk
>
>
> Am 05.02.2024 um 18:57 schrieb Callomon,Paul:
>
> ACHTUNG/ATTENTION: Diese E-Mail stammt von einem externen Absender. /
> This e-mail comes from an external sender.
>
>
> Hi Laura,
>
> Those look like Whittall-Tatum jars, made here in Philadelphia. We have
> them in our collection. We have successfully sealed these jars with
> silicon caulk in the past, but certain of its curing products - such as
> acetic acid - could affect the fluid. One material that has been used to
> cut gaskets is neoprene, and butyl rubber sheet might also be fine,
> especially if you thinly coat both glass faces with non-setting vacuum
> grease. If you do use caulk, use very little pressure on the clamp as
> without a gasket you could crack the lid through overtightening or even
> temperature changes.
>
> Our iconic Walter the Octopus is in a large 25-gallon WT jar whose lid is
> stuck on with silicon (no clamp could be found) and it's held for 23 years
> so far.
>
>
> *Paul Callomon*
>
> *Collection Manager, Malacology and General Invertebrates*
> ------------------------------
>
> *Academy of Natural Sciences of Drexel University, Philadelphia*
> *callomon at ansp.org <callomon at ansp.org> Tel 215-405-5096 - Fax 215-299-1170*
>
>
>
> ------------------------------
> *From:* Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu>
> <nhcoll-l-bounces at mailman.yale.edu> on behalf of Laura Rincón
> <collectionslitclub at gmail.com> <collectionslitclub at gmail.com>
> *Sent:* Monday, February 5, 2024 12:19 PM
> *To:* nhcoll-l at mailman.yale.edu <nhcoll-l at mailman.yale.edu>
> <nhcoll-l at mailman.yale.edu>
> *Subject:* [Nhcoll-l] Historic jars gasket
>
>
> External.
> Hello everybody,
>
> I've been reading some thread emails about sealants in historic jars, but
> I can't find what the best way to close these jars is (see photos
> attached). I was planning to get Alsirol, but then I realized that there is
> a 3 mm. space between the rim and lid. The "best" will be a gasket, but I'm
> not sure if there are proper gaskets for these jars.
>
> I would appreciate your recommendations or advice.
>
> Thanks,
>
> --
>
> *Laura A. Rincón R.* |  *Museum Studies professional*
>
> Museum Specialist
>
> Division of Invertebrate Zoology
>
> American Museum of Natural History
>
> Central Park West at 79th Street
>
> New York, NY 10024
>
>  https://collectionslitclub.wordpress.com/
>
>
>
> “I’ve learned that people will forget what you said, people will forget
> what you did, but people will never forget how you made them feel” Maya
> Angelou
>
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>
> --
>
> ******
>
>
>
> *Dirk Neumann*
>
> Collection Manager, Hamburg
>
>
>
> Postal address:
>
> *Museum of Nature Hamburg*
> Leibniz Institute for the Analysis
>
> of Biodiversity Change
>
> Dirk Neumann
>
> Martin-Luther-King-Platz 3
>
> 20146 Hamburg
> +49 40 238 317 – 628
>
> *d.neumann at leibniz-lib.de <d.neumann at leibniz-lib.de>*
>
> www.leibniz-lib.de
>
>
>
> --
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>
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>
>
> --
> Stiftung Leibniz-Institut zur Analyse des Biodiversitätswandels
> Postanschrift: Adenauerallee 127, 53113 Bonn, Germany
>
> Stiftung des öffentlichen Rechts;
> Generaldirektion: Prof. Dr. Bernhard Misof (Generaldirektor), Adrian
> Grüter (Kaufm. Geschäftsführer)
> Sitz der Stiftung: Adenauerallee 160 in Bonn
> Vorsitzender des Stiftungsrates: Dr. Michael Wappelhorst
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> _______________________________________________
> NHCOLL-L is brought to you by the Society for the Preservation of
> Natural History Collections (SPNHC), an international society whose
> mission is to improve the preservation, conservation and management of
> natural history collections to ensure their continuing value to
> society. See http://www.spnhc.org for membership information.
> Advertising on NH-COLL-L is inappropriate.
>


-- 

*Laura A. Rincón R.* |  *Museum Studies professional*

Museum Specialist

Division of Invertebrate Zoology

American Museum of Natural History

Central Park West at 79th Street

New York, NY 10024

 https://collectionslitclub.wordpress.com/



“I’ve learned that people will forget what you said, people will forget
what you did, but people will never forget how you made them feel” Maya
Angelou
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