Direct leveling by traversing ₪ 1.3 Interpretation of staff readngs

Direct leveling by traversing ₪ 1.3 Interpretation of staff readngs

 The reading on each wire is estimated visually to the nearest millimeter, compared to the example on the previous page:

₪  Upper stadia wire (sup wire) = 
₪  Lower stadia wire (lower wire) = 
₪  Wire leveler wire level = 

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