352 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



6224-6230 6332-6238 6280 



MICROSCOPIC COVER GLASSES 



*Always designate size wanted with catalog number. 



RECTANGULAR COVER GLASSES 



MICROSCOPIC SLIDES; free from defects in the glass. The surfaces are plane, so 

 that the slide lies flat upon the stage. Edges well ground. 



6280 SLIDES, 75x25 mm. (3x1 inch) medium thickness, per gross $1.50 



6282 SLIDES, 75x25 mm. (3x1 inch) extra thin, per gross 2.00 



6284 SLIDES, 75x38 mm. (3x1*^ inch) medium thickness, per gross 2.00 



6286 SLIDES, 75x50 mm. (3x2 inches) medium thickness, per gross 3.50 



6294 



6288 SLIDES, 75x25 mm. (3x1 inch) one concave center, per dozen $0.75 



6390 SLIDES, 75x25 mm. (3x1 inch) two concave centers, per dozen 1.25 



6292 SLIDES, 75x25 mm. (Sxl inch) three concave centers, per dozen 1.75 



6294 SLIDES, 75x25 mm. (3x1 inch), drop culture, cavity, 16 mm. diameter and 



2 mm. deep, in polished plate glass, each 50 



