cotton wool

When the gold is pressed into the impressions of the tools with the pad of cotton-wool, they should be plainly visible through it.

A loose plug of cotton-wool in the open mouth completes the capillary pipette.

Double cyanide gauze, rung out of boric lotion and covered with a good supporting pad of cotton-wool, is then put on.

Then he loosely stuffed them with cotton-wool, smoothed the feathers, and placed them on a shelf to dry.