Automatic Time-Check for Oil-Presses and Other Machines (open access)

Automatic Time-Check for Oil-Presses and Other Machines

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
System: The Portal to Texas History
Cotton-Boll Picker (open access)

Cotton-Boll Picker

Patent for an improvement to cotton ball harvesters.
Date: May 11, 1915
Creator: Hewitt, Daniel
System: The Portal to Texas History
Fender. (open access)

Fender.

Patent for a device "to be secured to the prow of a ship or vessel and which projects forwardly therefrom for the purpose of protecting the vessel against injury from a collision" (lines 13-16) including instructions and illustrations.
Date: May 4, 1915
Creator: Barton, Charles H.
System: The Portal to Texas History