FIELD: instrumentation, devices used in forest management operations to measure bearings, magnetic azimuths and horizontal angles. SUBSTANCE: aiming circle includes case housing magnetic needle with locking device, scale circle, verniers, sighting unit, bushing and leveling instrument. Specific feature of given aiming circle lies in location of zero line of verniers on magnetic meridian. EFFECT: increased measurement precision, limiting of amplitude of oscillations of magnetic needle by rectangular shape of case, reduced mass and dimensions of instrument. 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WOOD COMPASS | 1996 |
|
RU2121132C1 |
| SUSPENDED INSTRUMENT FOR AZIMUTHAL TRACING OF WELL FANS | 0 |
|
SU739334A1 |
| METHOD OF CONVERSION OF LINEAR POLARIZATION THROUGH SPECIFIED ANGLE AND GEAR FOR ITS IMPLEMENTATION | 1995 |
|
RU2108564C1 |
| 0 |
|
SU4151A1 | |
| 0 |
|
SU12565A1 | |
| VIEWING DEVICE | 2001 |
|
RU2186416C1 |
| 0 |
|
SU49335A1 | |
| ALTIMETER | 0 |
|
SU1068705A1 |
| METHOD OF CUTTING TRAPEZIFORM MARKS ON LIMB AND DIVIDING MACHINE | 1994 |
|
RU2094205C1 |
