Opthalmoscopes for analyzing retinal problems. Otoscopes. Wrist Sphygmograph for recording pulse rate. Monaural & Binaural Stethoscopes. Reflex Hammers. Tonometers. Dynamometer to assess muscle function. Sphygmo- manometers for measuring blood pressure
Authentic Disney color magic lantern slides in their original box with and story leaflet Santa's Workshop...
J.T Graham. In this book was incorporated the history of weighing, the principles of weighing and a...
The rapid development of electronics and computerization in the mid 20th century, and the invention of...
Received the package today - beautiful! My grandparents had purchased the postcards when traveling...