UNT Libraries Government Documents Department - 2 Matching Results
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- 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.
- 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.