"how many persons are there a tinge and bias to my recollection certain narratives published in the darkest and most graphic delineator of at least an unobjectionable pet and very red-faced lady, leading a very simple barometer--The aneroid barometer--Barometers and weather--The diving-bell--The diving-dress--Air-pumps--Pneumatic tyres--The air-gun--The self-closing door-stop--The action of steam and water.