Read the single minutes and seconds from the micrometer drum scale.
If you are currently working on a specific restoration or field project, please let me know:
Turn the micrometer drum until the main scale division line is centered perfectly between the double indexing lines (or until the upper and lower images coincide, depending on the exact model number). hilger watts theodolite manual
Highly portable, rugged, and exceptionally fast to read in the field. Hilger & Watts Microptic No. 2 (One-Second Theodolite)
Rotate the instrument back to the original position to verify, and check all 360 degrees of rotation. If the bubble shifts out of the center lines at any point, the plate level requires calibration (see Section 5). 3. Reading the Optical Scales and Micrometer Read the single minutes and seconds from the
Use the horizontal and vertical tangent screws to bring the center crosshair onto the precise point of your target. Step 4: Reading the Glass Circles
Understanding the external controls and optical pathways is the first step to proper operation. Hilger & Watts Microptic No
Add the degrees from the main scale to the minutes and seconds indicated on the fine micrometer scale to get your final, highly precise angular measurement. Routine Maintenance and Storage Care
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