AN IMPROVED COLORIMKTKR 



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of which is to be determined, inequalities in its surface, if any 

 exist, are obliterated, and it becomes optically observable as a 

 uniform color mass. A set of focusing screws is supplied for 

 adjusting the position of the binocular vertically and laterally in 

 relation to the two revolving glass cylinders. 



In the accompanying illustration, figure 1 gives a general 

 view of the complete apparatus as mounted. The instrument, 

 B, driving gear and motor are mounted upon a table of hard 

 maple supported upon a stand consisting of a three-arm iron 



i Fig. 2. Tintometer as reconstructed; top view of table showing method of 

 mounting, rotary cylinders amd unit color glasses. B, binocular; slide support 

 for it; Bi, hinge-base; 'Bi, bed-plate; X, case containing drive mechanism; Sp., 

 rotary spindles with cylinders; s, Si, s 2 , s 3 , screws for regulating position of 

 binocular; sa, screw for changing direction of rotation. 



casting, C, resting upon an iron pillar and base, upon which it 

 revolves at R. The motor actuating the drive mechanism for 

 rotating the spindles, is suspended beneath the table between 

 the supporting arms, at M . 



In figure 2 is shown a closer view of the upper surface of the 

 table, in which the glass color units are seen sunken in an open 



