Show new screen methods As a substitute fur for glass con slides film strips way may now flow be shown own on an a screen frum from a flashlight projector and this method has been wade made simpler still by a camera which enables the operator to make ills his own negative rolls says popular Io lo pular mechanics magazine A length of the ulm film which ill give as many pictures as aa would 30 pounds of glass slides weighs hardly an ounce tile the rolls can be printed on positive film tor for use to in the projector with tills this outfit travelers may liae haie lia e a convenient record of their it trip ap to show their friends and thea apparatus appu ratus Is especially serviceable to lecturers etc |