Vintage MARBEL BLOOD CELL CALCULATOR, Medical Device Laboratory/Hospital Doctor For Sale

This vintage MARBEL blood cell calculator is a unique and essential tool for medical professionals. It was made in the United States and has not been modified. The device was designed for use in laboratories and hospitals by doctors and is a collectible item for those interested in the history of science and medicine. Its functionality and accuracy are impressive and make it an excellent addition to any medical devices collection.