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Show Useful. One of the neatest and most useful little invention.- that we have seen for some time, is on the door of Dr. Groves' office, Second Smith street. It is a very simple contrivance con-trivance by which rain and cold currents cur-rents of air can be prevented from passing in under a door, and it can be applied with equal ease to either window win-dow or door. Dr. Groves has purchased pur-chased the patent right for the Territory Terri-tory from Mr. J. Q. Clay, of Wisconsin, Wiscon-sin, the patentee. |