The soldier's bedding would not be injured by being used on these
bedsteads, as much as if it were laid on the bare ground. Kinds of
designs and experiments in hutting could be practised without expense in
this simple way.
Tarpaulings are very suitable for roofs. Those made after the method used
by sailors are much superior to others in softness and durability. The
plan is as follows:--As soon as the canvas has been sewn together, it is
thoroughly wetted with sea-water; and, while still wet, it is smeared
over on one of its sides with tar and grease, boiled together--about two
parts tar and one of grease. After being hung up till it is dry, it is
turned; and the other side, being a second time well wetted, is at once
painted over with the tar and grease, just as the first side had been
before. The sailors say that "the tar dries in, as the water dries out;"
a saying which I confess I cannot understand.
Other Materials.--I will merely mention these by name, for they require
no explanation. They are fascines or faggots; bricks, sun-dried or baked
in the oven; turf; stones; and bags or mats, filled with sand or shingle.
Whitewash is lime and water. Lime is made by burning limestone, chalk,
shells, or coral in a simple furnace.
Roofs.--Thatching.--After the framework of the roof has been made, the
thatcher begins at the bottom, and ties a row of bundles of straw, side
by side, on to the framework.
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