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Automatic Time-Check for Oil-Presses and Other Machines

Description: Patent for a device that records the time in which a machine is in operation and in which it is idle to check the efficiency of the workmen and the work plant as a whole.
Date: May 11, 1915
Creator: Bell, Thomas
Partner: UNT Libraries Government Documents Department

Cotton-Boll Picker

Description: Patent for an improvement to cotton ball harvesters.
Date: May 11, 1915
Creator: Hewitt, Daniel
Partner: UNT Libraries Government Documents Department

Clock Attachment

Description: Patent for an improved clock attachment to operate "a series of alarms or signals arranged in different rooms of a building or in other separated stations for simultaneously sounding the alarms or for operating the signals at predetermined times." (lines 11-17) including illustrations.
Date: January 11, 1915
Creator: Moore, John R.
Partner: UNT Libraries Government Documents Department
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