bicycle pump

Pumping air warms the bicycle pump in a way that pumping water or oil will not.

Use a bicycle pump to clean such parts of the sewing machine as you cannot reach with a cloth or with an old tooth brush.

A current of air (from a bicycle pump, for instance) will remove the dust from the feathers when dry.

After it is wound it is placed in the fire and the molten resin forced out with a bicycle-pump.

From this he took a piece of yellow leather and a shining object that looked like a bicycle pump.