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Ajax Scientific carbon dioxide gas spectrum tube. Air-to show spectral lines of pure substances. The gas pressure used results in well-defined emission spectra. These are glass tubes about 26-centimeters long, central capillary portion about 9-10 centimeters long with electrodes sealed at both ends and connected to lead wires protected by metal caps. Provided with loops welded to caps for electrical connection. Needs an induction coil 5-centimeters spark, or a suitable transformer. These can not be used as lamps. Length of capillary portion can be varied as required. Spring-loaded sockets for secure fit of the spectrum tube. Sockets fully enclose the ends of the spectrum tube. Current limiting transformer assures long-life for the tubes. All metal case with on/off switch and pilot light.
$45.00 $45.00
$ 19 .99 $19.99
$20.60 $20.60
$ 10 .99 $10.99
$108.00 $108.00
$ 47 .99 $47.99
$59.99 $59.99
$ 30 .99 $30.99
$26.89 $26.89
$ 13 .99 $13.99