Phrenology

Related products

• 

  Respirator

  $20.00 – $85.00

  Respirator

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Mortar and Pestle

  $20.00 – $85.00

  Mortar and Pestle

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  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 This product has multiple variants. The options may be chosen on the product page
• 

  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 This product has multiple variants. The options may be chosen on the product page
• 

  Stethoscope

  $20.00 – $85.00

  Stethoscope

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

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  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 This product has multiple variants. The options may be chosen on the product page
• 

  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 This product has multiple variants. The options may be chosen on the product page
• 

  Insulin

  $20.00 – $85.00

  Insulin

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  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 This product has multiple variants. The options may be chosen on the product page
• 

  Xray Tube

  $20.00 – $85.00

  Xray Tube

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  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 This product has multiple variants. The options may be chosen on the product page
• 

  Medical Triple

  $90.00

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

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Bunsen Burner

  $20.00 – $85.00

  Bunsen Burner

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Infant Incubator

  $20.00 – $85.00

  Infant Incubator

  Select options This product has multiple variants. The options may be chosen on the product page