There was the scratching of a match followed by the pop of a gas-ring, and half-closing my eyes

He lit the gas-ring and made the tea and brought it to her with cake and bread and butter on a little tray.

My colleague was evidently still at work in the laboratory, and, from the circumstance that the tea-things were set out on the table and a kettle of water placed in readiness on the gas-ring by the fireplace, I gathered that Polton also was full of business and anxious not to be disturbed.

You could put the kitchen, of which the cooking apparatus consists of two gas-rings, in the roots of the orange-tree in the Tuileries gardens.