Thinking about the box

Think for a minute about your last visit to a museum.

Now, can you picture what one of the display cases looked like?

I’m guessing you probably can’t. I imagine most people never even consider the box displaying their favourite piece of the past. And that’s good, because it means someone’s done a good job. The idea is for the objects displayed to be the centre of attention and for the display case to fade into the background; to not be memorable.

I have to admit to spending a fair amount of time actually looking at display cases when I visit museums these days. I’m always interested to see how others are displaying objects, and the technology and materials they are using. It’s just like back in the days when I used to sell window blinds; whenever I walked into a room the blinds were always the first thing I noticed!

The Collection Care Department manages many aspects of The National Archives’ on site museum including the display cases. It’s not as simple as just setting up the document, locking the case, walking away and forgetting about it for a few months. We spend a good amount of time behind the scenes maintaining our cases.  For some display cases, this means we have to do regular maintenance work on machines that control the relative humidity, an important agent of deterioration. Other display cases use a passive means to buffer changes in relative humidity. These contain materials like silica gel that require regular changing and recharging to be effective. Then we need to monitor the microenvironment we’ve created to ensure the cases continue to provide suitable environmental conditions for the different types of records we’ve got on display. We also test the cases to make sure they are airtight to protect the documents on display from pollutants such as dust.

These are all routine, invisible activities. Work tends to be done while the museum is closed to the public – for security reasons – so you won’t see us, or those like us, at another museum. But next time you’re enjoying an exhibition, spare a thought for the box and the effort that has, and continues to go into it.

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