1as in the case of the suspended
plummet level, but is fixed to the instrument in
a half-lying position. They measure the tunnels for the purpose of knowing
how many fathoms they have been increased in elevation; how many fathoms
the lower is distant from the upper one; how many fathoms of interval is
a half-lying position. They measure the tunnels for the purpose of knowing
how many fathoms they have been increased in elevation; how many fathoms
the lower is distant from the upper one; how many fathoms of interval is
INDICATOR OF A SUSPENDED PLUMMET LEVEL.
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