| Product Code | Particular |
| AWW-4002 | Wooden comprising an upright 100 mm high , with V shape slot to hold a convex or concave lens , mounted on rectangular base 100 x 50 mm. Wooden to take lenses or mirror up to 76 mm diameter. Comprising an upright 100 mm high , with V shape slot to hold a convex lens , mounted on rectangular base 100 x 50 mm . An index mark is engraved on each end of the base. |