Nodal Slide Assembly, Standard Equipment

Consists of the following items Nodal Upright: Consists of a combination of Single & double lens holder on a mount rotating along the vertical axis. The combination lens holders are adjustable in height, and the single & twin lens holders can either be moved together by rack & pinion or relative to each other by sliding. These motions can be read by individual pointers on a mm scale. d) Lamp House Plain, inclinable with 3” steel C.P. Stem of diameter 9.5mm.