These samples were removed by conservators in the first half of the 1960s before conservation treatment, which was usually the application of a wax resin lining.
415 prior to conservation treatment.].
See conservation treatment report for full description.
Our responsibility was preservation, not intervention or conservation treatment".
This presentation will review the conservation treatment step by step.
The painting, he explained, had undergone earlier conservation treatment that had involved gluing a backing canvas to it.
Together, they house over 150 million items, of which around 2,200 receive conservation treatment each year.
However, much of the physical damage to the collection has been greatly reduced through conservation treatment.
The maps are currently unavailable at this time while they undergo conservation treatment.
The audio recordings and the film require conservation treatment before use.
The manuscript came to the Library in desperate need of conservation treatment.
