| 1538 |
Lenses : Dia. 50 mm (2”)
FL 5 cm
FL 10 cm
FL 15 cm
FL 20/25/30/40/50/100 cm |
| 1539 |
Mirrors: 50 mm (2”) dia. Highly silvered, Superior. Convex or Concave.
9011. Any Focal length |
| 1540. |
Mirror Strips:
9021. 4” x 1”
9022. 4” x 2”` |
| 1541. |
Mirror Strip Stand: Plastic 9301. |
| 1542. |
Glass Slab:
9041. 75 x 50 x 18 mm
9042. 100 x 60 x 18 mm |
| 1543. |
Glass Prism: Best Indian glass.
9051. 38 x 38 mm
9052. 50 x 50 mm |
| 1544. |
Spectrometer Prism: Equilateral, two faces polished.
Crown Glass (RI 1.51):
9061. 25 x 25 mm
9062. 32 x 32 mm
Flint glass (R.I. 1.62):
9063. 25 x 25 mm
9064. 32 x 32 mm
EDF Glass (R.I. 1.65):
9065. 25 x 25 mm
9066. 32 x 32 mm |
| 1545. |
Hollow Glass Prism: From solid glass block for Spectrometer.
9071. 38 x 38 x 38 mm
9072. 50 x 50 x 50 mm |
| 1547. |
Diffraction grating: 15000 Lines/inch, 30 x 25 mm. |
| 1548. |
Diffraction grating: Higher Watts type, 15000 lines.
Superior (Transmission type) 50 x 38 mm. |
| 1549. |
Newton Ring Apparatus:
In Bakelite frame. Round. |
| 1550. |
Liquid Lens Needle:
SS needle in plastic frame, very superior new design |
| 1551 |
Lens Holder: Wooden ‘V’ shaped. |
| 1552 |
Lens Screen: Wooden with ground glass screen |
| 1553 |
Wire Gauze Screen:
Wooden
Cross wire Screen |
| 1554 |
White Screen: Sunmica Top wooden |
| 1555 |
Kaleidoscope/Periscope:
9141. Kaleidoscope Model
9142. Periscope Model |
| 1556 |
Optical Bench: One meter length.
9151. Wooden with riders
9152. Metallic, Double Rod Complete |
| 1557 |
Astronomical/Terrestrial Telescope
Complete in Cabinet |
| 1558 |
Lamp Box:
9171. Seasoned wood
9172. Teak |
| 1559 |
Single Optical Lever:
9181. 1 ½”
9182. 2” |
| 1560 |
Deluxe Drawing Board: Superfine export quality. Made of extra soft wood.
5551. 12” x 18”
5552. 16” x 23” |
