THE LUTHER BURBANK SOCIETY 



more highly perfected method than that with 

 which they began, enabling them to render every 

 color with absolute fidelity, even the most delicate 

 shades, and to obtain color records in the camera 

 in one-thirtieth and one-fiftieth of a second, which, 

 from all practical aspects may be called instan- 

 taneous exposures. 



Once all the factors of this new method were 

 perfected, the systematic recording of all of Mr. 

 Burbank's products and methods was begun. It 

 was found, however, that many of the subjects 

 which had been illustrated by the black and white 

 photographs had wholly disappeared; and in or- 

 der that the color records might be complete, Mr. 

 Burbank re-performed many of his old experi- 

 ments, so that color photographs might be taken of 

 them. Every experiment which Mr. Burbank had 

 under way, and those which he undertook a sec- 

 ond time were carefully photographed in color, 

 and then The Society's staff of photographers was 

 dispatched to different parts of the United States 

 for the purpose of securing such illustrations as 

 could not be obtained on the home grounds, but 

 which were needed to make the work complete. In 

 all, nearly twelve thousand color plates were made, 

 about ten per cent, of which, or 1,260, are repro- 

 duced in these volumes. 



As soon as the photographing of the subjects 



[274] 



