Category Archives for Storage

5 Top Tips on How to Decant your Museum

By Eimear Ashe, Collections Moves Project Manager, National Museum of Ireland

Having recently completed a major decant of Natural History collections in the National Museum of Ireland, I thought it a perfect opportunity to share my learnings with fellow NatSCA colleagues.

National Museum of Ireland – Natural History

Tip 1. Start with the staff!

  • What skills do you need to recruit in or increase capacity in?
  • Recruit new temporary staff. Training should be provided in the following areas: hazards in collections, manual handling, object handling, photography (if part of the workflow), condition assessment, object packing, transfer documentation procedures, integrated pest management (IPM), and the collections management system.
  • If you cannot recruit new staff, you will have to use existing resources. Agree with management that the permanent staff team will not be able to carry on their regular duties during the period of decant. You should also make the public aware of this reduction in capacity and service provision.
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Packing the Blaschka Glass Models 

Written by Julian Carter, Principal Conservator Natural Sciences, Amgueddfa Cymru – Museum Wales, Cardiff

During the late 19th century, Leopold Blaschka (1822-1895) and his son Rudolf (1857-1929) produced thousands of beautifully detailed glass models of a wide range of sea creatures, and other animals, for natural history museums and aquaria all over the world. The work has since been hailed as “an artistic marvel in the field of science and a scientific marvel in the field of art”. The work of the Blaschka’s remains remarkably contemporary today, working as they did on the cusp of design, craft, and industry. Crossing the boundaries of science and art, the surviving models today have a value that makes them irreplaceable. 

The idea for making lifelike renditions of sea creatures out of glass arose from the difficulty of preserving and displaying soft-bodied animals such as jellyfish, marine worms, and sea anemones. Preserving such animals in a lifelike way is difficult as techniques such as fluid preservation cause colours to quickly fade and shapes to become distorted. Leopold Blaschka devised a solution to this problem by using his glass working skills to accurately model these animals out of glass and other materials available to him and went on to establish a successful business supplying glass models to museums worldwide during the latter half of the 19th century. 

The model of the sea anemone Actinia mesembryanthum (right) based on a plate (left) from Phillip Henry Gosse’s Actinologia britannica. A history of the British sea-anemones and corals which Leopold Blaschka used for the early sea anemone models that he built.
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It’s Getting Better

Written by Dr Amy Geraghty, Assistant Keeper/Curator of aquatic zoology collections with responsibility for fluid collection management.

The National Museum of Ireland (NMI) Natural History Division (NHD) holds about 2 million specimens in its collection. The collection is ordinarily split between three locations: the museum and two off-site storage buildings. However, at the time of writing, nearly all specimens are in one of the two storage buildings. The museum galleries are being emptied to facilitate investigative works on and the refurbishment of building itself.

One of the National Museum of Ireland’s two storage buildings in 2006. It is an old British army barracks that now stores the fluid collection, some of the dry zoology, mineralogical and paleontological collections. (Image courtesy of Nigel Monaghan)

One of the storage buildings is a mid-nineteenth century British army barracks that came to NMI in the mid-1990s and now stores NHD collections. Retrofitting the building for collection storage has involved the installation of plasterboard ceilings, internal doors, and security and fire alarm systems. Toilets, telephones, a tearoom, shelving, and internet facilities were later installed in the 2000s.

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Snagged Setae 2, The Sequel: Packing Materials After 14 Years in Fluid Storage

By Lu Allington-Jones (Senior Conservator), Wren Montgomery (FTIR Specialist) and Emma Sherlock (Senior Curator), The Natural History Museum, London UK

Many years ago, we undertook some research into a suitable replacement for cotton wool as bungs for vials holding small fluid-stored specimens. In 2008 we placed samples of Parafilm MTM, white Plastazote® LD45 and colourless HDPE (high-density polypropylene) lids in 10% formalin, 100% ethanol, and 80% IMS (Industrial Methylated Spirit, aka Industrial Denatured Alcohol) and allowed them to steep for 3 years. We undertook visual inspections, pH tests and FTIR analysis and concluded that Parafilm MTM was an unsuitable replacement, but that the other materials had undergone no change and had caused no contamination of the host fluids.  

We decided to revisit the samples after an additional 11 years on a south-west facing sunny lab windowsill, for a total of over 14 years of storage in the various fluids. 

The state of ParafilmTM after only 3 years: particles are visible to the naked eye in the 100% ethanol on the left. The ParafilmTM in the formalin on the right showed a thinning and perforation at its edges. ©The Trustees of the Natural History Museum
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The Herbarium Handbook – Sharing Best Practice from Across the Globe.

Submitted by Clare Drinkell, Senior Curator Botanist at the Royal Botanic Gardens, Kew.

Editors: Nina Davies, Clare Drinkell, Timothy Utteridge. 290 pp, 234 x 156 mm. Over 700 colour photographs. Paperback, ISBN 9781842467695. Kew Publishing, TW9 3AE, UK 2023. £25.00. https://shop.kew.org/kew-herbarium-handbook

Cover page of The Herbarium Handbook

The new Herbarium Handbook is a key new addition to Kew Publishing’s series of handbooks, including The Plant Glossary and The Temperate Plant Families Identification Handbook. Unlike the other books in the series the Herbarium Handbook is a new version of a book first compiled and edited by Kew botanists some thirty-four years ago. The initial Herbarium Handbook came about following an extremely popular International Diploma Course in Herbarium Techniques at Kew. The demand to attend the course was so high that the number of applicants far exceeded places on the course. In view of the interest, the main information imparted during the course was published as a manual, widely recognised as an important reference for fundamental aspects of herbarium care and management.

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