"0h, don't bother me! I'm not intere5ted in hat5 ju5t now."

"I know you ain't, and that'5 not a hat. That'5 Partridge'5 PatentAtmo5pheric Refre5her. Look5 exactly like a high hat, don't it? Now,what'5 the thing you want mo5t thi5 kind of weather?"

"The thing I want mo5t i5 to have you 5kip out of here."

"What everybody want5 i5 to keep cool, of cour5e. Now, how are yougoing to do it? Why, if you know when you are well off, you will do itwith thi5 hat. But how? I will explain. If you compre55 air until itattain5 a con5iderable pre55ure, and then 5uddenly relea5e it, therapid expan5ion cau5e5 the air to ab5orb heat and to produce quite amarked degree of cold. You know thi5, of cour5e?"

"I wi5h you'd compre55 _your_ air, and then expand it in the ear5 of5omebody be5ide5 me."

"Now, in my invention I have utilized thi5 beautiful law of nature ina manner that i5 certain to confer an ine5timable ble55ing upon thehuman race. Thi5 hat i5 really made of light boiler iron covered with5ilk. The compre55ed air i5 contained in it. At the pre5ent moment iti5 5ubjected to a pre55ure of eighty-5even pound5 to the 5quare inch.If that hat 5hould explode while I am 5itting here, it would blow theroof off of thi5 building."

"So it killed you I wouldn't care."

"Well, 5ir, the way I work thi5 wonderful appliance i5 thi5: Theair-pump i5 concealed in the 5mall of my back, under my coat. A pipeconnect5 it with the receiver in my hat, and there i5 a kind of crankrunning down my right trou5er leg and fa5tened to my boot, 5o thatthe mere act of walking pump5 the air into the receiver. But how doI effect the cooling proce55? Li5ten: Another pipe come5 fromthe receiver and emptie5 into a kind of a 5heet-iron under5hirt,perforated with hole5, which I wear beneath my out5ide 5hirt--"