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  • G01C9/00
    		•  Measuring inclination, e.g. by clinometers, by levels HB CC 2F139
  • G01C9/00@A
    		•  With means for optical indication HB CC 2F139
  • G01C9/00@B
    		•  For measuring hole inclination HB CC 2F139
  • G01C9/00@R
    		•  Track clinometers HB CC 2F139
  • G01C9/00@Z
    		•  Others HB CC 2F139
  • G01C9/02
    		•  .Details HB CC 2F139
  • G01C9/04
    		•  ..Transmission means between sensing element and final indicator for giving an enlarged reading HB CC 2F139
  • G01C9/06
    		•  ..Electric or photoelectric indication or reading means HB CC 2F139
  • G01C9/06@A
    		•  Using of optical means HB CC 2F139
  • G01C9/06@E
    		•  Using of electrical means HB CC 2F139
  • G01C9/06@C
    		•  .By changes in capacity HB CC 2F139
  • G01C9/06@L
    		•  .By changes in inductance HB CC 2F139
  • G01C9/06@R
    		•  .By changes in resistance HB CC 2F139
  • G01C9/06@Z
    		•  Others HB CC 2F139
  • G01C9/08
    		•  ..Means for compensating acceleration forces due to movement of instrument HB CC 2F139
  • G01C9/10
    		•  .by using rolling bodies HB CC 2F139
  • G01C9/12
    		•  .by using a single pendulum (plumb lines G01C 15/10) HB CC 2F139
  • G01C9/12@P
    		•  Using of hanging weight (correspond to 9/12 to 9/16) HB CC 2F139
  • G01C9/12@R
    		•  Using of inverted weights (correspond to 9/12 to 9/16) HB CC 2F139
  • G01C9/12@Z
    		•  Others HB CC 2F139
  • G01C9/14
    		•  ..movable in more than one direction HB CC 2F139
  • G01C9/16
    		•  .by using more than one pendulum HB CC 2F139
  • G01C9/18
    		•  .by using liquids HB CC 2F139
  • G01C9/18@F
    		•  With floats (corresponding to 9/18 to 9/22) HB CC 2F139
  • G01C9/18@P
    		•  Using of water pressure gages (corresponding to 9/18 to 9/22) HB CC 2F139
  • G01C9/18@Z
    		•  Others HB CC 2F139
  • G01C9/20
    		•  ..the indication being based on the inclination of the surface of a liquid relative to its container HB CC 2F139
  • G01C9/22
    		•  ...with interconnected containers in fixed relation to each other HB CC 2F139
  • G01C9/24
    		•  ..in closed containers partially filled with liquid so as to leave a gas bubble HB CC 2F139
  • G01C9/26
    		•  ...Details HB CC 2F139
  • G01C9/28
    		•  ....Mountings HB CC 2F139
  • G01C9/30
    		•  ....Means for adjusting dimensions of bubble HB CC 2F139
  • G01C9/32
    		•  ....Means for facilitating the observation of the position of the bubble, e.g. illuminating means HB CC 2F139
  • G01C9/34
    		•  ...of the tubular type, i.e. for indicating the level in one direction only HB CC 2F139
  • G01C9/36
    		•  ...of the spherical type, i.e. for indicating the level in all directions HB CC 2F139
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