Crystal Magnifier with Compass Rose (Weems & Plath 615)

While made for reading details on nautical charts this acrylic chart magnifier is endlessly useful in the home or office. No focusing is necessary. Simply look through it from a wide range of angles and distances - no squinting. With 6x magnification, the 'bright field' optical design has the effect of collecting light from all around and directing it onto the surface. It also makes an attractive …