Optical Bench, Wooden

A wooden baseboard with one-meter scale divided into mm with the following accessories: One wire gauge screen. One each white face object and receiving screen each 150 x 100 mm, with aperture, mounted on wooden base with an index mark. Two plane glasses 150 x 100 mm. One wooden lens holder ‘V’ shaped. One needle, vertically mounted in a short wooden rod, on base. One candle holder on base. The components have the same optical center height.