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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Callomon,Paul<br>
<b>Sent:</b> Wednesday, February 15, 2023 1:07:55 PM<br>
<b>To:</b> John E Simmons <simmons.johne@gmail.com><br>
<b>Subject:</b> RE: [Nhcoll-l] Shelf depth for EtOH jar collections</font>
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<p class="x_MsoNormal">To John’s first point – a metal tray system solves all the problems of shelf depth. You don’t reach in to pull up and look at containers behind the first row, you pull the tray out instead. As long as you only have a maximum of two rows
of containers, you can eyeball everything instantly for condition, fully addressing the point he makes about planning for maintenance cycles.
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<p class="x_MsoNormal">Sadly, the recent Fluid-preserved Biological Collections book did not mention these systems at all, despite our design and its advantages having been published by SPNHC.</p>
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<p class="x_MsoNormal">As for collection density, fire-rated space in existing buildings is expensive to create and rarely possible to expand. Like it or not, to stay in code you often have to find ways to fit more into an existing space. We did that, in the
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<p class="x_MsoNormal" style="background:white"><span style="font-size:12.0pt; color:black">Paul Callomon</span></p>
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<p class="x_MsoNormal" style="background:white"><b><span style="font-size:12.0pt; color:black">Academy of Natural Sciences of Drexel University</span></b><b><span style="font-size:12.0pt; color:black"></span></b></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:12.0pt; color:black">1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA<br>
<i><a href="mailto:prc44@drexel.edu"><span style="color:#0563C1">prc44@drexel.edu</span></a> Tel 215-405-5096 - Fax 215-299-1170</i></span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><b>From:</b> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu>
<b>On Behalf Of </b>John E Simmons<br>
<b>Sent:</b> Wednesday, February 15, 2023 11:07 AM<br>
<b>To:</b> Dirk Neumann <d.neumann@leibniz-lib.de><br>
<b>Cc:</b> nhcoll-l@mailman.yale.edu<br>
<b>Subject:</b> Re: [Nhcoll-l] Shelf depth for EtOH jar collections</p>
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<p><b><span style="font-family:"Arial",sans-serif; font-variant:small-caps; color:black">External.</span></b><b><span style="font-family:"Arial",sans-serif; font-variant:small-caps"></span></b></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt; font-family:"Tahoma",sans-serif; color:black">The advice offered so far on this thread is excellent, particularly the idea of abandoning systematic arrangements. There are two other
points in support of the advice that has already been offered that should be mentioned:</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt; font-family:"Tahoma",sans-serif; color:black">1-Deeper shelves do allow storage of collections in dense arrangements (assuming the containers are appropriately sized) but dense storage
is a negative, not a positive. Yes, it saves a bit of space, but what is sacrificed is the ability to monitor the condition of the containers and specimens. The ideal arrangement would be shelves with only one row of jars because with that arrangement specimens
and fluid level and color could immediately be seen, enabling the correction of developing problems, particularly loss of fluid. However, shelving with just one row of jars is not practical, so the question becomes how many rows of jars is practical? With
two or more rows the jars in front must be moved to see the jars in back, which takes additional time and also, each time a jar is picked up and moved, it increases the risk of either compromising the container seal or getting the containers out of order.
With deep shelves, so that the containers are several rows deep, the time spent monitoring the collection (checking for problems) increases enormously. In my experience, the time (and therefore the cost) of monitoring collections is rarely considered when
planning collection storage, which is foolish. A fluid collection needs to be inspected regularly to avoid problems.</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt; font-family:"Tahoma",sans-serif; color:black">2-Systematic arrangements are false in the sense that they are not phylogenetic arrangements (nobody has branching shelving). What systematic
arrangements do is simply re-create the linear <i>scala naturae</i> of Aristotle, using scientific names. The arguments that this allows for better exploration of the collection, etc., are silly. And as Paul points out, containers should not be opened in the
collection storage room to examine specimens. Systematic arrangements made sense when collections were smaller, space was available, and scientific names were more stable. In a world of rapidly changing systematic arrangements, we should make good use of electronic
databases to both bear the current name of species and to serve as a finding aid for containers, and arrange storage to efficiently store specimens in a stable environment on storage furniture designed to accommodate efficient monitoring of specimens and containers.</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt; font-family:"Tahoma",sans-serif; color:black">--John</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif">John E. Simmons<br>
Writer and Museum Consultant</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif">Museologica<br>
<i>and</i><br>
Associate Curator of Collections<br>
Earth and Mineral Science Museum & Art Gallery<br>
Penn State University<br>
<i>and</i><br>
Investigador Asociado, Departamento de Ornitologia<br>
Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in">On Wed, Feb 15, 2023 at 2:15 AM Dirk Neumann <<a href="mailto:d.neumann@leibniz-lib.de">d.neumann@leibniz-lib.de</a>> wrote:</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Hi Tonya,</p>
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<p class="x_MsoNormal" style="margin-left:.5in">we recommend in our <a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.universityproducts.com%2Fbest-practices-in-the-preservation-and-management.html&data=05%7C01%7Cprc44%40drexel.edu%7C994c64a40a6444ca83ac08db0f6ec711%7C3664e6fa47bd45a696708c4f080f8ca6%7C0%7C0%7C638120740696225756%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=HPZCZiRjw8uE0jX7UaucCB9wRq13REBOYCxiTxvwN5c%3D&reserved=0" target="_blank">
book</a> (p. 94) to prefer 300 mm deep shelves. You can do deeper shelves (in Munich we had 450 mm), but this doesn't save space, as you cannot place more large jars on such such shelves.</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Usually, large glass cylinders are rarely deeper than 300 mm. If there are larger containers, it might be worth considering 1 isle with deeper shelves (e.g., 450 mm) for these jars, or to arrange all large jars
on special heavy duty shelves, as for example in the tank room at the NHM in London.</p>
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<p class="x_MsoNormal" style="margin-left:.5in">If you choose 440 mm deep shelves for the entire collection, you increase the required staff time for monitoring and maintenance, because usually the number of small jars is much higher, and there is a tendency
that small jars are crowding on deeper shelves as the offer more space. Visual inspection of such densely packed shelves however needs more time. If staff time is a critical variable, 300 mm would be preferable.</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Another point worth considering: deep shelves usually require wider isles and operating areas. This may not be intuitive right from the start, but you need to reach deeper into the (crowded) shelf. If the isle
is as narrow as it would be for a 300 mm deep shelf, the risk to knock other jars is higher.</p>
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<p class="x_MsoNormal" style="margin-left:.5in">If available space in the new storage room is not the limiting factor, I would choose 300 mm deep shelves.
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<p class="x_MsoNormal" style="margin-left:.5in">Hope this helps</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Dirk </p>
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<p class="x_MsoNormal" style="margin-left:.5in">Am 15.02.2023 um 04:26 schrieb Haff, Tonya (NCMI, Crace):</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Hi again everyone,</p>
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<p class="x_MsoNormal" style="margin-left:.5in">We are getting down to the pointy bit of having to confirm the desired depth of shelving for our new ethanol vault storage. Right now our shelves are only about 300mm deep, which is really not deep enough for
some larger containers. We have specified 440mm deep shelving for the new space, but before pushing ‘go’ I thought I would ask if any of you have thoughts or very strong opinions about optimal shelf depth for storing jars of various sizes and smaller drums.</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Thanks in advance for your input!</p>
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<p class="x_MsoNormal" style="margin-left:.5in">Cheers,</p>
<p class="x_MsoNormal" style="margin-left:.5in"> </p>
<p class="x_MsoNormal" style="margin-left:.5in">Tonya</p>
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<p class="x_MsoNormal" style="margin-left:.5in">-------------------------------------------------</p>
<p class="x_MsoNormal" style="margin-left:.5in">Dr. Tonya M. Haff</p>
<p class="x_MsoNormal" style="margin-left:.5in">Collection Manager</p>
<p class="x_MsoNormal" style="margin-left:.5in">Australian National Wildlife Collection</p>
<p class="x_MsoNormal" style="margin-left:.5in">CSIRO</p>
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natural history collections to ensure their continuing value to<br>
society. See <a href="https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.spnhc.org%2F&data=05%7C01%7Cprc44%40drexel.edu%7C994c64a40a6444ca83ac08db0f6ec711%7C3664e6fa47bd45a696708c4f080f8ca6%7C0%7C0%7C638120740696225756%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2F%2FrnjmAFUNF7CbhMYQ8Ty3mbZfBgCvHN3QcFh5t%2BsKk%3D&reserved=0" target="_blank">
http://www.spnhc.org</a> for membership information.<br>
Advertising on NH-COLL-L is inappropriate.</p>
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