Some of Darger's work has been framed for exhibition but much of it is stored here in about 50 acid-free boxes, waiting to be catalogued.

Enamelled metal shelves or drawers may be used, or acid-free boxes.

All artifacts are isolated, cleaned and repaired if necessary, and stored in either acid-free boxes or on ethafoam.

It's not easy to find attractive acid-free boxes.

Mr. Basinski does his best to preserve the backpack by storing it in an acid-free box away from sunlight and humidity.

There are at least 100 military uniforms, a few nearly 200 years old, packed in acid-free boxes or draped on mannequins.

Instead, first put them inside an acid-free box to avoid contamination.

Lesser items can be saved in acid-free boxes with acid-free tissue.

Fortunately, a variety of conservationally correct storage supplies are available, including acid-free boxes, envelopes and tissue paper.

Many acid-free boxes and papers are actually lignin free, which means the lignin content may not exceed 3 percent.