Survey by prismatic compass/

Ижил төстэй зүйлс

• Compass mapping /
  -н: 436735 Slater, Leslie G.
  Хэвлэсэн: (1966)
• From lodestone togyro-compass/
  -н: 330347 Hitchins, Henry Luxmoore, зэрэг
  Хэвлэсэн: (1955)
• A key to the solar compass and surveyors companion : comprising all the rules necessary for use in the field /
  -н: Burt, William A
  Хэвлэсэн: (1881)
• Marine gyro-compasses
  -н: 8096 British Standards Institution
  Хэвлэсэн: (1990)
• the theory of the gyroscopic compass and its deviations/
  -н: 182150 Rawlings, Arthur Lionel
  Хэвлэсэн: (1944)