Show Photo Photographs Ph t cr of Mars Mar Much valuable work stork has hns been done t Ith the great Lick refractor In plan planetary planetary planetary ob observations At the lost last clo close e approach of Mars 32 drawings Ings of ot the planet and about I 1 1500 jOO photographs were obtained many of these with the aid o of specially d cd elates late Iole says MYS Aa 18 Nature ture Magazine These are of great value In Interpreting the nature o of the changes change that are continually taking place ploce on tl tie the e surf ice of the plon planet t |