The Investigation of Mechanical Error of Polar Plammeter, “PP—2k"

1
Kharkiv National Agrarian University
2
Kharkiv National University of Construction and Architecture
3
Kharkiv National University of Construction and Architecture
  1. Emel'janov V. G. Ob instrumental'nyh pogreshnostjah poljarnogo planimetra. Trudy MIIZ, vyl. 3. 1959.
  2. Maslov A. N. Sposoby i tochnost' izmerenija ploshhadej. Geodezizdat, M.,
  3. 1955