1. Polarimeter & Glass tube

Type: Half shade
Base material: Cast iron
Moving components: Brass
Scale: Vernier type graduated to 360°
LC: 0.1°
Rotation: Coarse and fine
Focus: Adjustable at eye piece
Tube slot: Can accommodate tubes up to 220 mm

2. Sodium vapour lamp set (Optional)

Lamp: Philips / Thorne 35 W
Lamp house: Single lamp type with fixed slit openings
Transformer: 35 W, Instant ON type
Rated Input: 220 V/50 Hz or 110 V/60 Hz

3. Digital balance (Optional)

Range: 200 g
Resolution: 0.01 g
Type: Pocket scale
Power: Battery operated