The night-owl,—a mug-shaped instrument, with an orifice in its side, through which a whistle is inserted,—when used, is partly filled with water, to give the tremulous owl-hoot sound.

What were the various image macros? ... [img-foo]: See Image Macro. A list of official [img-foo]s are above, but any common image that's used often can replace foo. [img-motorcycle.jpg] for instance.

While Adobe's Acrobat Reader, Macromedia's Flash player, and other common plug-ins suggest themselves the moment you encounter a site that requires them, other browser helpers are harder to find.

The brush is needed to whisk eraser dust away. The chief advantage of this eraser is that it may be sharpened to a point to erase a very small area.