391
VEB CARL ZEISS JENA
JENA made
Seconds Theodolite ’Théo 010’"
Angle measuring instrument with extended reflecting telescope with
almost total elimination of the secondary spectrum, for triangulation
2nd to 4th order, precision polygon measurements above and below
ground level, astronomical junction measurements. Standard error
one direction measured once in both telescope positions maximum
(± 1"),31 X telescope magnification.
Representatives in all parts of the ivorld