Comprising wooden base board with one meter scale divided into mm, all the components have the same optical centre height provided with following accessories:White face object and receiving screens each 150 x 100 mm, with aperture, mounted on wooden base with an index mark.Plane mirror 150 x 100 mm mounted.Lens holder wooden V shaped.Needle mounted in a wooden rod, on base.Candle holder on base.
AMBALA, Haryana, India
