Resource Type

Automatic Repeating Railroad-Signal. (open access)

Automatic Repeating Railroad-Signal.

Patent for an automatic repeating railroad-signal designed to be used with semaphore and other train-signaling apparatus. It eliminates mistakes made in notifying the central office and automatically reports "any change in the position or color of the signal to a central office over the ordinary telegraph-wire" (lines 14-16). The signal is a wheel that operates a key to send a message to the central office.
Date: January 28, 1896
Creator: Innes, Robert Hayward
System: The Portal to Texas History
Magnetic Separator (open access)

Magnetic Separator

Patent for a magnetic separator for use in cotton and grain milling that removes all magnetic particles from the product.
Date: January 28, 1913
Creator: Preslar, John C.
System: The Portal to Texas History
Fan Spring-Motor (open access)

Fan Spring-Motor

Patent for a portable fan spring motor.
Date: January 28, 1913
Creator: Von Hohenstein, Charles H.
System: The Portal to Texas History
Nut Removing Device (open access)

Nut Removing Device

Patent for a nut removing device. This device is designed for the removing of lug nuts from vehicle wheels. Illustration included.
Date: January 28, 1913
Creator: Easley, Thomas L.
System: The Portal to Texas History
Dry-Earth Closet (open access)

Dry-Earth Closet

Patent for "a commode which may be placed in a bed-room or other suitable place in a house without .danger to occupants on account of disease which would be superinduced by the presence of impure odors, as would be the case where an ordinary receptacle is used" and where the solid and liquid waste would be separated (lines 26-36).
Date: January 28, 1890
Creator: Carrico, Thomas A.
System: The Portal to Texas History