This line of experimentation finally bore fruit of immense value for from it the gas-mantle evolved.
Inasmuch as the gas-mantle had not yet appeared, the gas was burned in jets.
The gas-mantle was a great boon to the mariner as well as to civilized beings in general.
The gas-mantle has made it possible for gas-lighting to continue as a competitor of electric-lighting for the streets.
During the last twenty years the gas-mantle has been very generally applied to beacon-lights.
The Spielman paper mill stood where the gas-mantle factory of Curtis and Harvey is now found.