strainers, and other things of this kind, and it is especially
desirable for them.

8. COPPER.--Before iron was known copper was the principal material for
cooking utensils. The chief point in favor of copper is its durability,
but utensils made of it are not practical for use in the ordinary
kitchen because they are expensive, heavy, and very difficult to
keep clean.

9. GLASS.--Utensils made of heavy glassware are much used for cooking.
Glass utensils are especially desirable for custards and other dishes
that the cook likes to watch while cooking or that are to be served in
the baking dish. Glass cooking utensils possess the advantage of
retaining the heat well.

10. WOOD.--Certain utensils made of wood are required in a cooking
outfit, a molding board of hardwood and a smaller wooden cutting board
being particularly necessary in every kitchen. Bowls in which to chop
foods, rolling pins, and mixing spoons are usually made of hardwood, and
when such wood is used for them they are entirely satisfactory.


LABOR-SAVING DEVICES

11. A LABOR-SAVING DEVICE is any apparatus that will permit a certain
piece of work to be accomplished with less exertion than would be
necessary to do the same thing without it. A sink and a dustpan are
labor-saving devices just as truly as are a bread mixer and a vacuum
cleaner, but because a sink and a dustpan are necessities as well, they
are not usually thought of as true labor-saving devices. The newer