Code |
Description |
1561 |
Air wedge plate set: 9201. Per Set of two Plates (Optically flat plates) |
1562 |
9212. Plano Convex Lens, Dia 50 mm: FL 15 & 20 cm
9213. Plano Concave Lens, Dia 50 mm: FL 15 & 20 cm |
1563 |
Biprism: 9221. Size 40 x 30 cm.
9222. Sixe 50 x 40 cm |
1564 |
Newton Colour Disc: 8431. Motorised |
1565 |
Newton Colour Disc: 8432. With driving wheel etc. |