1. Maxwell needle

Tube length: 40 cm
Diameter: 18 mm
Material: Steel/Brass
Scale: Graduation on either ends from 0 to 18 cm
Type: Hollow cylinder
Weight set: Solid brass weight set (2 nos) and Hollow brass cylinders
Length: 10 cm each
Mount: Chuck nut mounted on to middle of main hollow tube
Mirror: Mounted to chick nut at exactly centre of the hollow tube

2. Mount

Chuck nut with ceiling hung cum wall fix type

3. Digital stop clock

Range: 0-999.9 sec
Resolution: 0.1 sec
Time measuring: Manual start/stop
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Power consumption: <30 W