Spectrum Tube - Helium Bleachers & Benches

www.echtsein-allgaeu.de
$ 22.68
Tax included. Shipping calculated at checkout.
Description

Spectrum Tube - Helium Bleachers & BenchesTo 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

investigate

Created for long wear and rugged use

Ideal for building hand eye coordination

Optional 12" long black high gloss matching PVC ground sockets to hold the poles

indoor and outdoor

Each goal is equipped with infrared eyes for scoring accuracy

Housed in a rugged steel case

Step-N-Stilts provide a more stable 4 7/8" surface platform

5" x 5" goal mounting hole pattern

Cone has a durable vinyl legend reading "Closed"

Sold in dozens (2 of each color)

For kids ages 9 and up

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