The Harvard Museums of Science and Culture (HMSC) have re-opened the Collection of Historical Scientific Instruments. The current permanent exhibition in the Putnam Gallery is TIME, LIFE, & MATTER: Science in Cambridge, open Sunday-Friday, 11AM-4PM. The exhibit presents stories based on items such as a geometric sector designed by Galileo, electrical experimentation apparatus purchased by Benjamin Franklin, clocks illustrating the development of modern synchronized time-keeping, medical apparatus designed in part by Charles Lindbergh, and artifacts of top-secret research by Harvard scientists during World War II.