This is good working bench for junior students.
It comprises a wooden base board 1110 x 115 mm (L x W) with a one meter scale divided in mms and figured at cms, is fixed along the front edge. Supplied complete with following accessories mounted on 100 x 50mm bases. (a) 2 Nos Object and receiving screens (b) 1 No Plane mirror 150 x 100 mm mounted on a base. (c) 4 Nos Lens holder with V grooves (d) 1 No Needle mounted vertically in a short wooden rod (e) 1 No Candle Holder Optical centre height of all components is 100 mm.