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Reduction tachymetre "VEB Carl Zeiss JENA DAHLTA 010B"

Reduction tachymetre
The reduction tachymetre reduces the horizontal distance horizontal automatically.
The diagram tachymetre is a reduction tachymetre with a diagram in focus.
Through this will be per after distances of the leveling rod and the telescope bent a changed slatpart beborder, which the velue for the reduced distance or height difference is.

Matthias Glatz and Andre Cordes, VT02, June 2003

Technical data

Sectional drawing  / optical  path

Readexampel / axis on Theo