3 - Conservation solutions

Once the state of preservation of the seismograms has been identified it will be possible to plan a restoration action and to choose the materials most suited to their arrangement.

- Restoration actions
Closing of tears, integration of gaps, total encasing of the object, flattening out of the creases, fxing of the shellac...

- Conservation actions
Control of the environmental parameters, disinfestation of insects and animals, disinfestation of micro-organisms, making of boxes and folders suited to the preservation of the paper and photographic materials.




1 - The constituent materials and the manufacturing technique

2 - The causes of the decay

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