SPECTRUM TUBES

Description

Made of glass, 26cm long overall, narrowed to capillary width for 8.5 to 10cm of the length.  Metal wires holding the electrodes are sealed through the ends and welded to metal caps, which have loops for connecting wires.

PH 12609a                                                   Oxygen

PH 12609b                                                   Neon

PH 12609c                                                   Helium

PH 12609d                                                   Nitrogen

PH 12609e                                                   Argon

PH 12609f                                                    Carbon Di oxide

PH 12609g                                                   Hydrogen

PH 12609h                                                   Iodine Vapour

PH 12609i                                                    Sulphur

PH 12609j                                                    Xenon

PH 12609k                                                   Krypton