Phrenology

Related products

• 

  Insulin

  $20.00 – $85.00

  Insulin

  Select options
• 

  Respirator

  $20.00 – $85.00

  Respirator

  Select options
• 

  Bunsen Burner

  $20.00 – $85.00

  Bunsen Burner

  Select options
• 

  Mortar and Pestle

  $20.00 – $85.00

  Mortar and Pestle

  Select options
• 

  Infant Incubator

  $20.00 – $85.00

  Infant Incubator

  Select options
• 

  Bausch and Lomb Microscope

  $20.00 – $85.00

  Bausch and Lomb Microscope

  First Bausch & Lomb microscope. Both witnessed the patent document. Print includes these signatures.

  Select options
• 

  Ophthalmoscope

  $20.00 – $85.00

  Ophthalmoscope (for examining eyes)

  2 patents – 1 one for a new and improved version, 1 for a battery dry handle.

  Select options
• 

  Dentist Chair

  $20.00 – $85.00

  Dentist Chair

  2 patents – 1 for the design of chair, 1 for the cup holder for spittoon.

  Select options
• 

  Xray Tube

  $20.00 – $85.00

  Xray Tube

  Select options
• 

  Stethoscope

  $20.00 – $85.00

  Stethoscope

  First USA patent on the stethoscope – for a concealed noiseless spring that eliminated vibrations.

  Select options
• 

  Blood Pressure Manometer

  $20.00 – $85.00

  Blood Pressure Manometer

  2 patents – construction improvement for less breakage and better accuracy, second has a mercury reservoir and glass measuring tube.

  Select options
• 

  Medical Triple

  $90.00

  Medical Prints Triple Framed (shown in black but also available in bronze)

  Select options
• 

  Aspirin

  $20.00 – $85.00

  Aspirin

  Felix Hoffman's patent on his refinement of the formulation that Charles Frederic Gerhardt tried but gave up on.

  Select options
• 

  Phoropter

  $20.00 – $85.00

  Phoropter (for eye testing)

  Invented by Henry DeZeng, who also trademarked the word Phoropter – a word that is now used for visual testers.

  Select options