The uses are general, except that the wood is not employed where
attractive figure is required, for black gum is as plain as cottonwood.
It is not displeasing in its plainness, for the surface finishes nicely
with a soft gloss which, except that it lacks figure, suggests the sap
of red gum. It is specially useful in situations where noncleavability
is required. Black gum mallets for stone masons and woodworkers are in
the market. Mine rollers require a much larger amount. The entire 85,000
feet reported in Maryland was made into such rollers. They furnish the
bearing for the rope that hauls the car up the incline out of the coal
pit. Its toughness qualifies it for wagon hubs, but it is sometimes
objected to because its softness causes the mortises to wear larger
where the spokes are inserted, and the wheel does not stand as well as
when the hubs are of good oak. Early farmers and lumbermen preferred
black gum for ox yokes, and some are still seen where oxen are used; but
many other woods are as strong and equally as serviceable for yokes.
Rollers of this wood for glass factories are common. It is made into
hatters’ blocks where a wood is wanted which, when thoroughly seasoned,
will hold its shape. It is less popular for this purpose than yellow
poplar. One of the best places for black gum is in the manufacture of
bored water pipe. The wood’s interlaced fiber prevents splitting under
the internal stress due to hydrostatic pressure. The shell of such pipes
can be thinner than with most woods. A drawback is found in the
non-durable qualities of black gum. However, the internal pressure of
water keeps the wood thoroughly saturated, and prolongs its life when
used as pipes.
The makers of firearms employ black gum as gunstocks and pistol grips.
The wood is stained to make it darker. It is cut by the rotary process
into cheap veneer and is made into baskets and berry crates. Less
trouble with the veneer, on account of breaking, is experienced than
might be expected of a wood so cross-grained. It is sawed into thin
lumber for boxes for shipping coffee and other groceries. It is a
substitute for cottonwood and yellow poplar in the manufacture of
certain lines of woodenware, notably, ironing boards, rolling pins,
potato mashers, and chopping bowls. It is made into interior finish for
houses; and furniture manufacturers find many places where it is a
serviceable material. Musical instrument makers employ it, particularly
as trusses for pianos, and in frames of pipe organs. In Louisiana it is
converted into excelsior, and in Mississippi into broom handles, and
parts of agricultural implements, particularly hoppers and seedboxes.
All gums are hard to season, and this one is no exception. It checks
badly, but the checks are usually very small.
[Illustration]
TUPELO
[Illustration: TUPELO]
TUPELO
(_Nyssa Aquatica_)
Public-domain text, read in full here on John Shaqi.
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