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Pump-Valve Mechanism.
Patent for a pump valve mechanism for use in deep wells, which can be easily removed for cleaning and repair,
Date:
August 13, 1907
Creator:
Sheen, Davis
System:
The Portal to Texas History
Hair-Cutting Register.
Patent for a counting device for use by barber shops activated by taking on and off the head rest of a barbers chair, so that the shop owner knows how many hair cuts were given in each chair that day and can cross check the money taken in each day against the numbers of haircuts given.
Date:
April 2, 1907
Creator:
Kelley, Hugh, C.
System:
The Portal to Texas History
Shampoo-Registering Device.
Patent for a shelf for shampoos in barber shops that counts how many times shampoos are taken off and put back on the shelf for the purpose of counting customers.
Date:
April 2, 1907
Creator:
Kelley, Hugh, C.
System:
The Portal to Texas History
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