OPTICAL BENCH, WOODEN

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.