94 



Bell-Glasses, Slides, Cover-Glasses. 



Bell-glasses for covering up microscopes (dust- 

 proof), incl. a stout cloth-covered mill-board base: 



Large size, about 38 cm (15 in.) high, 24 cm (9V 2 in.) 

 inside diameter 



Smaller size, about 35 cm (14 in.) high, 20cm (8 in.) 

 inside diameter 



Plane Ground-glass Discs for use as bed-plates: 



for the large bell-glasses 



for the smaller bell-glasses 



Slides of the Giessen size, 48 X 28 mm (! 7 / 8 X iy 8 in): 



a) white crown-glass, unground edges, per 100 .... 



b) white crown-glass, ground edges, per 100 ..... 



c) white plate-glass, ground edges, per 100 



Slides of the English size, 76 mm X 26 mm (3 X 1 in.) : 



a) white crown-glass, unground edges, per 100 .... 



b) white crown-glass, ground edges, per 1 00 .... 



c) white plate-glass, ground edges, per 100 



Slides of extra large size, 87 mm X 37 mm' (3 3 / 8 X I 1 /* in.): 



a) white crown-glass, unground edges, per 100 .... 



b) white crown-glass, ground edges, per 100 .... 



Slides with polished concavities: 



a) small size, 55 mm X 32 mm (2 J / 4 X l'/4 i n -)> best make and 

 finish, edges bevelled, each 



b) extra large size, 87 mm X 37 mm (3 3 / 8 X 1V 2 in.), best 

 make, edges bevelled and polished, each 



Slides with cemented glass rings, for moist chambers, 

 1 or 2 mm deep, each 



Cover-glasses, Squares : 



a) size: 24 mm D, per 100 



b) 21 ,,100 



c) 18 100 . 



d) 15 100 



e) 12 100 . , 



Marks < 'oil, 



10. 



1.50 

 2.50 

 5. 



8- 

 8.- 



7.- 



Pernendor 



N. Perneria 



7. Periii iron 

 3.30 Pernwlar 



Perolillo 

 Pcrpasar 

 Perpetrar 



Perplejo 



Per(|iierir 



Perrezno 



'{.30 Persei|iiir 

 5. Persiiriiar 



0.30 Persona/a 



1. Person ilia 



O.SO IVrsnmlir 



4.30 PersiiaMir 



3. Pertinaee 



2. Pt'rtnrltnr 



1.50 Pernlera 



1 . Perverse 



