NEGATIVE MAKING 95 



body of the instrument is made of mahogany, 

 and the central extension portion takes the 

 form of a camera bellows. By one or two 

 easily controlled movements the enlarger, when 

 not required for use, may be made to collapse, 

 and it is then packed up within itself as shown 

 in the second illustration. The quarter-plate 

 and five by four sizes admit of the negative 

 (glass or film) being enlarged up to 8% by 

 6% and 10 by 8, and the half-plate up to 12 

 by 10. A lens is supplied with the instru- 

 ment, or the photographer's own lens can be 

 adapted and focused. For daylight work, to 

 a moderate degree of amplification, this port- 

 able enlarger, which has been submitted to 

 our inspection, should meet the needs of a 

 very large body of amateur photographers." 



Should the front of our camera be fixed, the 

 instrument will be of no use in photo-macrog- 

 raphy. We must contrive a portable bellows 

 or a series of boxes sliding within each other 

 and fitted with a focusing screen at one end 

 which may be replaced by a plate-holder, and 

 with these make an arrangement for receiving 

 and utilizing the image-bearing rays projected 

 by the lens. 



Four illustrations of photo-macrographs of as 

 many widely differing subjects are given. The 



