United Nations international year of the periodic table of chemical elements: August - arsenic

Julian Carter and Jennifer Gallichan, 21 October 2019

Continuing the international year of the periodic table of chemical elements, for August we have selected arsenic.

Preserving the Beasts – The Use of Arsenic in Taxidermy

The taxidermy animals are a much loved and visited part of displays at the Museum. The word ‘taxidermy’ itself comes from taxis ‘arrangement’ and derma ‘skin’, and is the art of mounting or replicating animal specimens in a lifelike way for display or study.

The development of the methods used to create taxidermy date back over three hundred years. Initially these didn’t preserve the prepared specimens very well, and the taxidermy mounts were usually lost to decay and insects.

Various attempts were made to improve preservation methods and these used a wide variety of materials such as herbs, spices and various salts, applied as powders, pastes and solutions. However these methods were not generally successful.

During the 1700s’ some taxidermists started to use more poisonous chemicals such as arsenic minerals or mercuric chloride to help preserve their taxidermy. Due to their toxic nature these treatments helped prevent decay and insect damage, greatly improving the long term preservation of the taxidermy.

The success of these chemicals soon led to the development of the ‘arsenical soap’ treatment to aid preservation of the animal skin. The soap was a mix of camphor, powdered arsenic, salt of tartar, bar soap and powder lime – I wouldn’t use this for washing yourself though! The soap enable the arsenic to be applied in a practical way by rubbing into the underside of a cleaned and prepared skin. This method proved very popular and remained in use up until as recently as the 1970s’.

The use of arsenic as part of the preservation treatment has since stopped. This is mainly because of its toxic nature and the associated risks to human health, but it is also due to better practices in the taxidermy techniques used today.

Inorganic arsenic (As) is a grey-appearing chemical element with the atomic number 33 on the atomic table. It is a metalloid meaning that it has both metallic and non-metallic properties. Its properties have long been used by humankind in a variety of ways such as a medicinal agent, a pigment and as a pesticide. Arsenic and its compounds are especially potent poisons and hence harmful to the environment and considered carcinogenic. Its toxicity to living things is due to the way it disrupts the function of enzymes involved in the energy cycle of living cells.

Does this then mean that our older taxidermy specimens containing arsenic are harmful in some way? Potentially yes if a specimen is damaged and the underside of the skin is exposed, but an intact specimen poses little risk provided sensible precautions are taken such as appropriate protective equipment when moving or conserving an affected specimens.

Besides, today most of the specimens we have on open display are preserved without the use of toxic chemicals, but such specimens are at greater risk of damage by insects. We thus monitor our collections to look out for the signs of insect infestation, and treat with safe and sustainable methods such as freezing if they occur.

But a good reason not to touch the specimens…..

Planting Day 2019

Penny Dacey, 18 October 2019

Hello Bulb Buddies,

It's planting day for schools in Wales, England and Northern Ireland! Schools in Scotland will be planting next Friday.

Click here for activities and resources that will help you with this part of the project and with looking after your bulbs over the coming months! 

These resources will help you on planting day:

  • Adopt your Bulb (an overview of the care your Bulbs will need)
  • Planting your Bulbs (guidelines for ensuring a fair experiment)

And these activities are fun to complete:

  • Bulb Adoption Certificate
  • Make Bulb Labels

Please read these as they contain important information! For example, do you know to label your pot so that you know where the Daffodil and Crocus are planted?

Remember to take photos of your planting day to enter the Planting Day Photo Competition!

Keep an eye on Professor Plant's Twitter page to see photos from other schools.

Best of luck Bulb Buddies! Let us know how you get on!

Professor Plant & Baby Bulb

Artists Project: Robin’s time as artist in residence

Robin Bonar-Law, 17 October 2019

Earlier this year I was presented with the chance of a lifetime, a paid opportunity to develop my professional career and expand my portfolio. I applied for an artist in residency with Amgueddfa Cymru - National Museum Wales, to work with their museum volunteers up and down the country, to create a project that would celebrate 10 years of the volunteering program. After a thoroughly exciting interview process, I was asked to join the team.

Fast forward 6 months and my Artist Residency has now reached a close. I’m very happy with the work I have created; it showers the volunteering hub in colour and celebrates the amazing contribution volunteers have given to the museum. It fills me with joy to share my work with such an enthusiastic cohort of volunteers from all walks of life.

I started designing the mural at the same time as touring the country and running creative workshops with volunteers. I had collected a long list of volunteer roles but understanding them in a way that helped me generate genuine visuals required meeting volunteers in person, visiting the sites and experiencing what they do first hand. Over a month or two, I managed to construct flowing imagery to turn into celebratory hanging banners - a design format that stood out during my research.

I created the design by hand, as I feel more comfortable using traditional techniques, then started the daunting task of rendering a digital copy of the work using Adobe Illustrator. Including this step was somewhat of a learning curve for me, but it’s been a valuable experience. Having a digital copy of the design meant that we could create prints for all the museum sites and a printed gift for each of the volunteers. It also sped up the painting process because it allowed me to use a projector.

Using string, pins and painters tape I divided the wall up into segments. Piece by piece I projected and copied details of the design upon the walls rough surface. The wall is made of lime rendering, which it turns out is not a very cooperative surface to paint on. It’s dry, so moisture from the paint is quickly absorbed which increases the amount of paint needed, the stroke count and the time it takes. It’s also rough, which slowly ruins brushes and pens.

Once the design was cartooned upon the wall, I chose to fill in large areas using low-pressure spray paint. This part of the process saved time and had the lucky benefit of creating a smoother plastic wrap over the wall. After filling the space with basic flat shapes I used brushes and pens to add details and definition with regular acrylic paints.

My goal was to create a design that was not only on brief, but functional, aesthetically pleasing and contained other layers of depth hidden below the surface. The hanging banner format is supposed to connote a sense of celebration and heraldry. The colour palette is reminiscent of the dyes used in the tapestries sewn by volunteers for Llys Llewelyn. I wanted the illustration style to be subtly influenced by welsh traditional craft and contain subtle suggestions of embroidery, slip-on cast tiles patchwork etc. I created the typeface used for the quotes contained in the artwork from some of the earliest welsh stone carvings found on a cross near Ogmore.

I’d been looking forward to the painting process since the very beginning, it was long and laborious but oh-so rewarding. Despite the fact that a large percentage of my wardrobe is speckled with a rainbow of vibrant acrylic, I really enjoyed physically crafting something.

I want to say the biggest thank you to everyone in the volunteering & community engagement department - especially Ffion & Haf - for checking in on me and giving me guidance and support, thank you to all the kind staff at St Fagans for making me feel welcome, thank you to the National Lottery Heritage Fund for providing the funding for this amazing opportunity, thank you to my partner Elin for driving me everywhere, but most of all the volunteers who have truly enriched my experience.

The last 6 months have been the best of my life. It has been so rewarding to work in a creative role where I feel valued. I’m going to miss working at Amgueddfa Cymru. 


If you'd like to know more about the project as it was happening you can have a look at Robin's previous blog https://museum.wales/blog/2019-06-20/ARTISTS-PROJECT-Celebrating-10-Years-of-Volunteering/

 

Brethyn Llwyd

Mark Lucas, 15 October 2019

Lloyd George’s poetic idea

'I should like to see a Welsh army in the field. I should like to see the race that faced the Norman for hundreds of years in struggle for freedom, the race that helped to win Crecy, the race that fought for a generation under Glyndwr against the greatest captain in Europe. I should like to see that race give a good taste of their quality in this struggle in Europe and they are going to do it'

On 29 September 1914 the Welsh National Executive Committee was formed to recruit a Welsh Army Corps of 40,000 to 50,000 men. The recruitment was based on the Corps's unique Welshness, with the encouragement of Welsh-speaking officers and Welsh-language recruitment posters.

Equipment Shortage

Due to the rapid expansion, the British Army faced a severe shortage of uniforms and equipment. To overcome the shortage the Committee decided in October 1914 to reinforce the national identity of the Welsh Army Corps by tendering for Welsh Grey homespun cloth “Brethyn Llwyd” for uniforms from the woollen manufacturers of Wales.

David Morgan of Cardiff was the main contractor, with all finished material sent to their offices in Cardiff before being made into uniforms by Messrs Masters. The woollen manufacturers of Wales were in desperate need of these new contracts as the industry was in decline due to worker unrest and competition from the larger mills of Northern England.

Production problems

There were early supply problems from the woollen manufacturers; Brethyn Llwyd is made by blending fleece from black and white sheep. Each mill had its own unique colour for Brethyn Llwyd; they therefore sent samples to the Committee to agree the colour.

The cloth produced by the mills was sent to Bristol for finishing and returned to Cardiff adding to the cost and time to make a complete uniform. A Brethyn Llwyd jacket was more expensive than traditional khaki, a Brethyn Llwyd jacket cost almost £1 and a khaki Jacket cost 14s 6d.

Factories re-equipped

By 1915 the mills were being re-equipped in anticipation of large orders for Brethyn Llwyd. Cambrian Mills Dre-fach Felindre (Now the National Wool Museum) built a new weaving shed, other mills invested in new equipment and staff. David Lewis of Cambrian Mills claimed he was able to produce 3,500 yards of cloth a week in February 1915 enough for 1,200 uniforms.

Demise of Brethyn Llwyd

Unfortunately this increased capacity came too late and production of Brethyn Llwyd was short-lived due to extra cost and the now ready availability of Khaki forcing the Committee to only order 8,440 uniforms in Brethyn Llwyd. The mill owners sent many letters to the Committee pleading for orders. Brethyn Llwyd uniforms never saw active service but due to their hard wearing qualities the uniforms were re-used repeatedly by the Reserves at Kinmel Park Camp until at least November 1916. In August 1915 the War Office took over the Welsh National Executive Committee, the raised units were formed into the 38th Welsh Division and the dream of a Welsh Corps vanished.

Supplying the Allies

Brethyn Llwyd was not the only war contract for woollen manufactures of Wales, woollen manufactures across Wales produced blankets for the army. One of the largest orders was secured by Ben Evans of Swansea for 15,000 blankets.

Welsh woollen manufactures also secured orders from foreign governments, for example in 1917 the Romanian Army ordered large quantities of Welsh flannel. The North Wales stocking industries supplied 300,000 pairs of socks to the allies during the war although these contracts only benefitted the larger manufactures.

Labour Shortage

With conscription of men into the army mill owners struggled for labour, before the war unlike English mills Welsh mills employed predominately men and the weavers worked one man one loom. The weavers threatened to strike over pay finally resolved with the intervention from the War Office in favour of higher wages but for more output.

Mill owners attended tribunals arguing for their workers not to be conscripted into the army because they could not be replaced, women preferred to work in the munitions factories and other heavy industries for higher wages than work in the woollen mills.

Weavers at war

Many workers from the mills volunteered for the army or were conscripted. Willie Evans worked at Cambrian Mills Drefach Felindre, he joined the royal artillery serving on the western front and in Russia, Willie returned to Cambrian mills after the war.

David Emlyn Jones was a weaver at Ogof Mill Cwmpengraig he was conscripted into the army in 1917 to the Welsh regiment. David was killed on sentry duty on the Western front 12th December 1917 he left behind 4 children including a baby that he never met. David's last letter home, written in Welsh arrived after the letter in English informing his wife of his death.

Post war decline and fires

'[Mill owners who made vast profits from war contracts] made no attempt to set their mills on a sound financial basis, content to bank the money or buy seaside cottages'

Geraint Jenkins 1967, the Welsh Woollen Industry, p. 278

After the war 12 million yards of surplus flannel was sold on the open market by the government at ridiculously low prices forcing woollen manufactures to also cut their prices. Flannel shirts for example sold at 52s 6d a dozen in 1916 by 1923 the price had dropped to 38 shillings. In Dre-fach Felindre 21 factories closed and 7 more burnt to the ground including Cambrian Mills, arson was suspected but never proven.

Unfortunately no Brethyn Llwyd uniform has been found, all that exists are the samples sent by woollen manufactures to the committee to decide the final colour, the choice they made remains a mystery. The samples are now part of the Welsh Army Corp collection held at the National Library of Wales.

‘People are drowning come on!’

Ian Smith, 14 October 2019

Saturday 6th October 2019 8.30am

I took my breakfast cereal into the living room and looked out at the sky for any hint of what the weather might do. It had been raining and very windy for days, the remnants of hurricane ‘Lorenzo’ had been battering Wales all week. The sky was cloudy, a hint of drizzle against the glass and the weeping willow in our front garden was doing a samba.

Today I had more than a passing interest in the forecast as I had a boat trip planned for later that morning, in a very special boat.

The Ferryside Lifeboat to be precise, a 6.4 metre long RIB, the ‘Freemason’ which cost about £90,000, £50,000 of which was donated by the Freemasons, hence the name.

The crew had bought all new safety suits and gear and had offered the museum one of their old suits for our maritime collection. We jumped at the chance to acquire this very important piece of our seagoing history. One of the crew members is Mark Lucas who happens to be Curator of Wool at the National Woollen Museum in Drefach Velindre, Carmarthenshire and it was at his suggestion that the suit be donated to us. The lifeboat crew were running sea trials that morning and had asked me to go along to experience the conditions for myself and collect the gear.

We have three lifeboats in the National Collection, two of these have wooden hulls and in 2011 we collected a RIB (rigid hull inflatable boat) from Atlantic College in St Donats, where the original RIB design was created and patented by the college. So the fact that the suit was from a RIB crew made it even more special.

Eleven o’clock found us at the Lifeboat Station on the Towy Estuary in Ferryside. The Ferryside Lifeboat is an independent station, as are many around our coastline, and not funded by the RNLI. Just like the RNLI they are run by volunteers and rely on donations and grants.

The crew were gathering and getting changed into their ‘new’ suits and they had one for me to wear too. Now, getting into a ‘dry suit’ is no easy task, especially for a novice like me. To say it was a struggle is an understatement, and after ten minutes of performing like a contortionist and the ensemble heckling me that

‘people are drowning come on!’

It was then they decided that I needed a bigger suit. Hmm…

The weather by this time wasn’t too bad, a slight wind and light rain and the estuary looked fairly calm, this was indicated by the fact that the new ferry was sailing between Llansteffan and Ferryside.

‘That looks OK, not too rough’ I thought to myself, and it was OK in the estuary…

The giant Talus tractor pushed the lifeboat the ‘Freemason’ down the slipway and into the water. I was already installed by this point having been pushed unceremoniously over the rubber tube by the crew as I struggled to climb aboard in an extra 20 kilos of suit and gear. The rest of the crew climbed aboard (easily) and we set off.

As I thought the estuary was fairly quiet, but the coxswain pointed out to sea where I could see large white breakers rolling in over a sandbar which runs roughly from Laugharne to St Ishmaels.

‘That’s where we are going, it’s a bit lively out there, all good fun though’.

It was very lively. The crew put the boat through its paces doing figure eights and three-sixty manoeuvres, all at high speed whilst I hung on tightly and braced myself against the G-force of the turns. The boat will do 30 knots flat out, about 26 miles an hour, which doesn’t seem fast in a car on the road but in a boat is a different matter.

I kept thinking how brave these guys are to come out in all weathers and try and rescue people. The sea we were in wasn’t that rough and it was broad daylight. I couldn’t imagine what it would be like in a gale and in the dark.

Eventually we headed in and back to the comparatively flat calm of the river Towy. My trip was over and what an experience!

We headed for the Lifeboat Station and the crew presented me with a dry suit, life jacket, radio and GPS locator which are now part of the National Collection and on display at the National Waterfront Museum in Swansea.