Special Features:

Vertical and/or horizontal plane measurements; tripod base, w/leveling screws; telescope support data, 60 cm lg o/a, 40 cm distance of graduations, graduated in mm; rotating telescope carriage; carriage equipped w/spirit level; w/vernier, w/magnifier; 20 x telescope magnification; 13 mm objective aperture; attachments and/or accessories, 3 screw, leveling; not packaged for issue

Properties:

An instrument of accurate measurement of distances or of the small difference of distance or height such as the upper surfaces of two columns of mercury or other fluids or of the same column at different times. It consists essentially of a telescope, horizontally mounted on a carriage, which travels on an accurate vertical and/or horizontal guide and with an accurately graduated scale.