Excellent condition.

This Spherometer is a highly useful tool for measuring the curvature of a round surface. It is perfect for anyone interested in collecting scientific instruments, especially those with an interest in optics. The device is highly accurate and provides precise measurements for a variety of applications.

The Spherometer is ideal for measuring the curvature of lenses and other optical components. It is made from high-quality materials and is designed for maximum durability and longevity. Whether you are a collector or a professional, this Spherometer is a must-have tool for anyone interested in the world of optics.