Description
90, Thorium
Thorium dioxide was for a long time the main ingredient of gas mantles, used in portable lanterns. Here the necessary heating is done by Rainbow's dullahan flame.
90, Thorium
Thorium dioxide was for a long time the main ingredient of gas mantles, used in portable lanterns. Here the necessary heating is done by Rainbow's dullahan flame.
Temp7
MemberSo... not 20% cooler.
Login to respond »