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PHARMACEUTICAL BACTERIOLOGY 



and manufacturers, but they do not come in uniform sizes. They may be 

 trimmed to uniform size and the materials rearranged, or the articles 

 may be removed and repasted into the blank books of uniform size. Such 

 work must be very carefully done to avoid mistakes and confusion in the 

 placing of labels and the descriptions. 



Pig. 96. — Plan for a food and drug exhibit cabinet. The outside dimensions are 

 four feet high, two and one-half feet wide, and two feet deep. It is to be made of well 

 seasoned hard wood, and-all of the drawers must work easily and smoothly and so 

 fastened that they will not drop out when drawn to full distance. A cabinet of the 

 above dimensions can be made to contain sixteen shallow drawers for the horizontally 

 placed screw top containers, each drawer holding 120 such containers placed in tiers 

 and lying in suitable grooves; two drawers for the vertically placed containers for the 

 liquid subfstances which are set in rows in holes in a deck shelf and a shallow base well; 

 and the large bottom drawer for the exhibits in book form. The drawers may be 

 lettered a, b, c, etc., and the articles in each drawer numbered seriatim i, 2, 3, etc.; 

 thus, " Oil, whale, " might be located by "R-143." The case may be provided with lock 

 and key. < 



The above articles may be cared for in a cabinet, the outside measure- 

 ments of which do not exceed 4 feet in height, 2}4 feet in width and 2 feet 

 in depth. Such a cabinet may have sixteen shallow drawers for the hori- 

 zontally placed containers (about 1,000 containers); two drawers five 

 inches deep for the liquids (about 500 samples) ; and a single deep bottom 

 drawer for the sample books placed on edge, suitably grouped in second- 

 ary compartments (altogether containing from 1,000 to 2,000 samples). 



The articles in the cabinet above described are for microscopical exami- 

 nation, as has been indicated, but before this can be done, each and every 



