The Fischer level had a level vial within the telescope tube and allowed the observer to read the rod and level bubble simultaneously. The level also eliminated a complicated system of micrometer readings and calculations.
With the NOAA 200th Celebration coming to a close at the end of 2007, maintenance of this Web site ceased. Updates to the site are no longer being made.
The Fischer level had a level vial within the telescope tube and allowed the observer to read the rod and level bubble simultaneously. The level also eliminated a complicated system of micrometer readings and calculations.