Chambers's Encyclopaedia, Volume 1: A to Beaufort, p. 111
Aire-sur-Lys, a fortified town in the French department of Pas-de-Calais, on the Lys, and at the junction of three canals, 37 miles W. of Lille by rail. It has one fine church, St Pierre, some cotton and woollen manufactures, and a considerable trade. Pop. 5200.
A technical diagram of a Stirling air engine. It shows a U-shaped regenerator with two chambers, AC and DC, connected by a central vertical tube. A plunger, labeled E, is shown at the top of the regenerator. A cylinder, labeled G, is connected to the top of the regenerator via a tube. A piston, labeled H, is inside the cylinder. A refrigerator, labeled D, is shown as a coiled tube at the bottom of the regenerator. The diagram is labeled with letters A, B, C, D, E, G, and H to identify its components.
