Fig. 1372.
[Fig. 1372] shows the general adjustment of the microscope for the purpose of proving the correctness of the divisions.
Fig. 1373.
[Fig. 1373] shows the location of the microscope over the points 0 and 128.
Fig. 1374.
Fig. 1372.
[Fig. 1372] shows the general adjustment of the microscope for the purpose of proving the correctness of the divisions.
Fig. 1373.
[Fig. 1373] shows the location of the microscope over the points 0 and 128.
Fig. 1374.