344 



CABINETS AND TRAYS FOR SPECIMENS 



[Ch. X 



face of the tray into columns by wooden strips. This is the best way. 

 With the tray face in columns the slides in a single column may 

 become disarranged, but there is no mixing of the slides of different 



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Fig. 207. Slide Tray with Compartments, and with Tongue and Groove 

 in the Sn>E Pieces of the Frame. 



A Face view of the newest form of slide tray showing the five compartments 

 and the tongue on the side pieces. 



B Longitudinal section of the tray showing the frame (/) and the partitions, 

 1, 2, 3, 4. 



C Sectional view showing the side piece with tongue and groove and the 

 method of connecting the frame to the board. In these new forms the board 

 is not wood, but pulp, called beaver-board. The partitions are of wood, and are 

 nailed in place, not glued. 



columns. One side of the tray remains smooth and can be used for 

 ribbons of sections or for any other purpose like the original tray 

 (fig. 206). 



§ 532a. — In Ithaca, these trays are made and furnished by the H. J. Bool 

 Furniture Co. The cost per 100 of the original form is $17.50 (§531); for the 

 form with tongue aud groove, it is $22.50; and for the form with tongue and 

 groove and one side divided into rows (§ 532), the cost is $30 per hundred. 



