This rare antique Louis Eitzen Visgage Oil Viscosity Comparator Instrument comes with a case and is a true gem for collectors of vintage science equipment. Made in the United States, this instrument is a must-have for those interested in the history of science and medicine.

With its unique design and advanced functionality, this instrument is perfect for anyone looking to add a touch of nostalgia to their collection. Whether you're a seasoned collector or a beginner, this antique instrument is sure to impress. So don't miss out on this opportunity to own a piece of history.

Glass is partially broken.