Transitos de Bolsillo y Accesorios

Pocket Transits
Precision combination instruments that will perform practically all surveying functions and are widely used for preliminary surveys. 2-1/8-in. damped needle with jeweled pivot. Vertical circle graduated 0-90° both directions, with a vernier arm reading to 10'. Velvet-lined belt-loop case included.
- 8026-51 10 oz
- 8026-56 12 oz
Leather Cases
- 8026-60 With belt loop
- 8026-61 With sling strap and belt loop
Ball Socket Head
- 8026-22 Complete with belt-loop carrying case
- 8124-23 Orange linen; 25 yd. hank. Includes removable thimble. Head can be used with either 8022-54 Jacob Staff or 8026-33 tripod
Jacob Staff Thimble
Telescoping Jacob Staff
Tubular aluminum adjusts in four steps from 21 to 64 in. Upper end is tapered with 1/4 x 20 thread for attachment directly to ball and socket head. Also fits rangefinders and most cameras. In cloth carrying case.
Sokkia Celestial Observation Handbook and Ephemeris
Used with accurate timepieces and hand-held calculators, this handbook can be used to yield highly accurate azimuths with relative ease.
- Modern method of calculation
- HP-41, HP-42 and HP-48 programs included with user instructions
- Complete Ephemeris tables
- Full explanation through examples
- Uniform calculation procedures for all observations
- GHA and declination tabulation to one-tenth arc-second