Spectrum Tube - Mercury Vapours Pinnies & Id Vests

Spectrum Tube - Mercury Vapours Pinnies & Id VestsTo study Spectral Lines of Pure Elements Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need

Double-ply multiple stitch handles

Each goal is equipped with infrared eyes for scoring accuracy

Wheel Circumference (ft

These official street hockey goals are made of 5/8" heavy duty plastic tubing and come with a deluxe nylon net

The K'NEX® Education Gears set is designed to introduce students to the scientific concepts associated with gears

Excellent for basic experiments to learn about lenses

Just follow the colorful pictures in our manual and build exciting projects

Sealed bearing on the wheel - Dirt and grit stay out

on stable cast iron base

6 each white and 6 each yellow poly pickle-balls and a zippered storage/carry bag

Includes durable knot-less nylon net with vinyl sleeves that attach with hook and loop - No lacing required

Excellent quality balls can be used for therapy or exercise