Lot of Assorted Science Curiosities, including a pocket compass in a fruitwood case and printed equation of time table (mylar crystal broken), 2 1/4 in. dia., a pillar sundial, ht. 4, a rosewood frame abacus with coral beads and inlaid index dots, lg. 3 1/4 x 1/2 in., and nine miniature compasses with bearing needles of nautical designs, all 1/2 in. dia.