Historical information
The stauroscope is an instrument for studying characteristic properties of anisotropic mineral particles. Later petrografic microscopes incorporate the stauroscope feature.
Physical description
Calderon Stauroscope in a hinged timber box. An optical device resembling a microscope with a vertical axes. The composite tube is made of brass, and is adjustabbly attached to a splayed-leg base equipped with a traingula section pillar. Instrument and accessoried housed in a brown polished timber box