ILLUSTRATIONS 



PLATES 



SIR J. C. BOSE . . . . . - . . Frontispiece 



From a photograph by F. A.' Swaine. 

 DR. J. C. BOSE'S PARENTS \ . - . . ; . , Facing p. '24 



PROFESSOR J. C. BOSE'S FRIDAY EVENING DISCOURSE 

 ON ' ELECTRIC WAVES ' BEFORE THE ROYAL 

 INSTITUTION (1896) . . . . ,, 58 



LADY BOSE . .' . . . . . ,. ii& 



PROFESSOR j. C. BOSE (1907) . . . ,', ,/ 119 

 THE MAGNETIC CRESCOGRAPH (FiG. 18) . . . ,,. . 158 



LOCALISATION OF THE GEO-PERCEPTIVE LAYER BY 



MEANS OF THE ELECTRIC PROBE (FiG. 23) . ,, 158 



THE 'PRAYING' PALM (FiG. 24) . . . . ,, 198 

 THE BOSE INSTITUTE . . . . . . ., 242 



ILLUSTRATIONS IN THE TEXT 



FIG. PACK 



T. PERIODICITY OF ELECTRIC TOUCH .... 74 



2. PHOTOGRAPHY WITHOUT LIGHT ..... 83 



3. ELECTRIC RESPONSE OF METAL SHOWING FATIGUE (TIN) ^93 



4. ACTION OF STIMULANT IN ENHANCING RESPONSE OF 



METAL (PLATINUM) ...... 94 



5 . ACTION OF POISON IN ABOLISHING RESPONSE OF MUSCLE, 



PLANT, AND METAL . . . . 95 



6. STIMULATING ACTION OF MINUTE QUANTITY OF ' POISON/ 



WHICH IN LARGE DOSES ABOLISHES THE RESPONSE 



OF METAL ........ 96 



7. THE OPTICAL PULSE-RECORDER . . . .129 



8. THE ' STAIRCASE ' ENHANCEMENT OF RESPONSE IN PLANT 131 



xi 



