Optical Bench, Wooden

A wooden base board with one meter scale divided into mm with following accessories : 1. One each White face object and receiving screens each 150 x 100 mm, with aperture, mounted on wooden base with an index mark. 2. Two plane mirrors 150 x 100 mm mounted as above. 3. One lens holder V shaped, wooden. 4. One needle vertically mounted in a short wooden rod, on base. 5. One candle holder on base. The components have the same optical center height.