The fire had been made up, and his whisky decanter and soda siphon stood by a plate of sandwiches on the dining-room table.
Make a hole in the cork, into which the nozzle of a soda siphon will fit snugly.
He took a soda siphon from the little sideboard and depressed the lever, holding the outlet above his victim's head.
He was back again in a trice, a flask in one hand, a soda siphon in the other, and a small glass balanced on his thumb.
The lights were on, and I was on the floor, with old Bill kneeling beside me with a soda siphon.