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Acid-free, flexible, white linen ledger. Will not di..
Good-quality, medium-weight drier. Size, 12 x 18". F..
For plant presses. Made of good-grade, 200-lb test, ..
Heavy, tan manila folders (caliper, about 0.015") fo..
Medium weight, light tan manila folders (caliper, ab..
Lightweight cypress construction, suitable for field..
Caroplastic is a clear polyester resin that will har..
Clear polystyrene boxes for storing and exhibiting s..
All-welded, steel construction cases. Vertical parti..
Acid-free, stiff, good grade, 140-lb substance, whit..
Good grade. Acid-free, flexible, white, watermarked ..
Heavy-duty cardboard with glass tops. Frames are cov..
Recommended for killing and retaining insects becaus..
Has 3 steps. Size, 3 3/4 x 1 1/4 x 1 3/4". ..
Black polypropylene web, far superior to cotton web ..