Q)
(chatquestion)...which
preciscD device or measuaing bgth
a veshiet callnas with eo divisions
sliding scale.
a sca ew gauge of pitch I mm.
and 100 divisioes.
a.
on
the
on
üsculad slale
an optical instument that Cah
maasude length to within a
wavelength f light
1 Answer
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