Soldering (lots).
Sore backs to horses.
Sound, velocity of; signals by.
Span, measure of length; of angles.
Sparks; to strike; to make a fire from; struck as a signal; to show the road by night.
Spears, for fish; set over beast paths; trailed through grass by savages; to straighten wood for.
Specific gravities of wood.
Spectacles for snow; for seeing under water.
Speke, Captain.
Spokeshave.