| 1 each White face object & receiving screens each 150×100 mm,with aperture, mounted on wooden base with an index mark. |
| 1 Plane mirror 150 x 100 mm mounted as above |
| 1 Lens holder V shaped , wooden. |
| 1 Needle vertically mounted in a short wooden rod, on base. |
| 1 Candle holder on base. |
| The components have the same optical centre height. |
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