ID:
831
Maker's Name:
UNK
Dimensions:
35.5 × 4.7 × 7.2 cm
![](https://physicsmuseum.uq.edu.au/system/storage/serve/13377/IMG_1068.jpg)
Long thin glass tube for main discharge, with open area each end and semi-silvered mirrors. The side tube contains one of the main electrodes plus a susidiary igniter electrode. The whole unit is enclosed in a plastic box for personnel safety.