Noble gases complete set in ampoules He Ne Ar Kr Xe – Premium version
100% Hand made by smart-elements
all 5 noble gases sealed in boro silicate ampoules under vacuum.
Size: length 45-50mm, dia. ~11mm
These ampoule were especially made for experiments with high voltage. Simple ampoules of noble gases do not illuminate.
On the picture you see the illuminated ampoules. Connected to a 5000V/35kHz transformer via two metal loops. The transformers can be found here.