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Posts tagged 'science'

Snow, Slush and…

How many words do they say the Inuit have for ‘snow’? Four hundred? 1 English seems to have far fewer: snow, disruption, carnage. For while safety concerns rightfully grounded aircraft (and even closed archives) last week, the disruption seemed significant. I wondered what kind of considerations lead to such decisions being made. Surely airlines wouldn’t cancel flights and train operators wouldn’t decide to run reduced services – and suffer decreased revenue as a consequence – without sound reasons? Surely every possible technological consideration would be made to keep services running?

'Casual earner but regular saver', Post Office savings campaign poster, 1963 (NSC 25/385)

'Casual earner but regular saver', Post Office savings campaign poster, 1963 (NSC 25/385)

The winter of 1962-63 (the so-called ‘Big Freeze’) was bitter, long, and exceptionally cold. Snow covered almost the entire country and there was snowfall each month between November and April. Disruption was significant, as schools struggled to open, roads were blocked, and sporting events cancelled (one football match was cancelled 33 times, and Barnsley, Yorkshire played only twice between late December and mid-March). 2

Through files held here at The National Archives we can see how closely government monitored technical operations at that time, and stipulated what constituted safe travel. A circular from the Ministry of Aviation sent in September 1962 (found in Board of Trade records – BT 248/355) demonstrates this, as government scientists specified the acceptable levels of slush/water for take-off, as research showed they negatively affect performance and damage aircraft.

Notes:

  1. 1. As with all delightfully simplistic and faintly derogatory claims, this is indeed a myth: www.uaf.edu/anlc/snow/. ^
  2. 2. www.guardian.co.uk/football/2010/jan/10/fa-cup-1963-freeze-abandonments. ^

The laboratory in the archives

Did you know there are beakers and high-tech equipment for scientific analysis here at The National Archives?

I know that the image of a scientific laboratory is quite at odds with the images that normally pop into your head when you hear the word ‘archive’, but all the same they are vital to the work that conservators undertake here every day.

Our conservation lab provides the facilities for us to evaluate materials for use in conservation, to prepare materials for use in conservation treatments and to carry out those conservation treatments that require the use of chemicals in a safe environment. To give you a little taste of the many things we do in the lab, here are a couple of examples of some of the material testing we’ve been up to lately:

Should we replace those old map folders?

beakers of paper for pH testing

Beakers of paper samples for pH testing

As part of making a case for a re-housing project, one of our conservators is pH testing both the existing map folder materials and the new material she suggests it is replaced with. This will enable her to quantify the benefits of the project. If the current material is significantly acidic, and the new material shows an alkaline buffer, it can help give a justification for her choices in the project.

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