Wild Heerbrugg Switzerland NK2 engineering survey level telescope with original stand and metal case.  The Wild Heerbrugg NK2 optic was the mainstay of the (geodetic) land surveyor for many years. With its reversible level telescope it allowed compensation of measurement errors. The instrument is relatively heavy and very sturdy, in relatively good shape and seems to be operational. Dimensions Length: 23 cm / 9 inches Width: 13 cm / 5.11 inches Height: 20 cm / 7.87 inches Weight: 4.4 Kg / 9.7 lbs