Resource Type

States

Valve. (open access)

Valve.

Patent for a valve, which attaches easily to all sorts of liquid-filled reservoirs and is durable.
Date: September 29, 1908
Creator: Craddock, Lee Larrence & McCleary, John
System: The Portal to Texas History
Shave-Registering Device. (open access)

Shave-Registering Device.

Patent for a shave registering device for use in barber shops, which is activated by the movement of the chair up and down.
Date: September 17, 1907
Creator: Kelley, Hugh C.
System: The Portal to Texas History