104 



THE AMERICAN MONTHLY 



[June, 



of the arrangement of parts, and of 

 the appearance of the instrument 

 when arranged as an ordinary stand. 

 Dr. Mcintosh has spent most of the 

 winter in 

 New Orleans 

 and has had 

 a place fit- 

 ted lip in the 

 space occu- 



FlG. 17. — Mcintosh Galvanic Company's Microscope. 



pied by his exhibit in which to show 

 his instrument. I spent a pleasant 

 hour with him. and came away with 

 an impression that the resources and 

 adaptability of pi'ojection were not 

 fully comprehended as yet by micro- 

 scopists. For the making of draw- 

 ings it is greatly to be preferred to 

 the camera lucida in any form, while 

 for continuous study of a preparation 

 it has a double adyantage in giying a 

 larger field than can be viewed with 

 the eye-piece, and being much less 

 wearisome to the eyes. 



Aside from the exhibits mentioned 

 aboye. the only ones interesting to mi- 

 croscopists are the photo-micrographs 

 taken by Dr. Woodward and 

 Dr. Sternberg. These include 

 all the common test objects 

 and marry 

 h i stological 

 and patho- 

 logical speci- 

 mens. The 

 clear defini- 

 tion and gen- 

 eral excel- 

 lence of these 

 p roductions 

 are vyorthy 

 of all praise, 

 s h o w w h a t 

 can be done 

 in this line, 

 and justify 

 what seemed 

 presimiption 

 before the 

 attempt was 

 m a d e . To 

 secure pic- 

 tures as gootl 

 as some of 

 these with an 

 am pi if i ca- 

 tion of 6,000 

 diameters is 

 n o s mall 

 3 achieyement 

 (jf skilful and 

 delicate ma- 

 nipulation. 



