INDEX 155 



PAGE 



Varnishing Negatives 123 



Velox Developing Papers 98, 101 



Walmsley's E. R. & C. Camera 23, 88, 113 



Walmsley's Gelatine Focusing- screen 55 



Washing-box for Negatives 136 



Washing the Negative 61 



Watson's Enlarging Apparatus 94 



Wedgewood's early Photo-micrographs 3 



Wellington and Ward's S. C. P. Papers 102 



Welsbach Incandescent Mantle as Radiant 20, 45 



Wenham's Method of Correcting Objectives 15 



Woodward, Dr. J. J 5, 52 



Wuestner Orthochromatic Plates 65 



Zeiss' Microscopes 10 



