with 1.5 meter optical Bench Complete with Optical Bench of steel C. P. rods, 1 meter long
Double rod and Nodal Slide Assembly as per Cat No. AP-836-01
(i) Mirror : Plain, inclinable with 3" steel C. P. stand.
(ii) Optical Slit : With fine machined cross slit, one surface white and the other optical black, with 3" steel C. P. stem.
(iii) Nodal Upright : Consists of a combination of Single and Double lens holders on a mounting rotating along the vertical axis.The combination lens holder are adjustable in height and the single and twin lens holders can either be moved together by rack and pinion or relative to each other by sliding. These motions are read by individual pointers on a mm scale.The whole mount can rotate along its vertical axis and the degree of rotation read on a circular scale with 3" steel C. P. stem.
(iv) Lamp House :An electric bulb is enclosed in a metal case with cord and pin. It works on 220V