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![]() TM 9-6685-202-14
Figure 3-5. Vernier scale and indexes-(type A-1).
would coincide. Obviously, the scale reading would be
distance between 632.4 and 632.5, which is 632.47.
between 632.4 and 632.5. By close inspection and
The main scale vernier has an additional graduation
interpolation, the hundredths of a millimeter may be
between each 0.1 line, thus making it possible to read
determined with fair precision. For example, if the
the vernier directly to 0.05 mm.
space between the 5-vernier line and a scale line is half
b. Type A-1 (Modified)
of that between the 4-vernier line and a scale line, it
(1) The main scale is calibrated in
would mean the slide had been raised two-thirds of the
3-11
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