PRICE OF INSTRUMENTS AND APPARATUS 139 



3386 

 3326a 



3326c 

 3326s 



58 

 69 



3326b 69 



69 

 61 



Glass slips, 3x1, ground edges and excavated 

 hollow ..... per doz. 



Cover glasses. No. 1, average thickness -006, 

 circular ..... per oz 



Ditto, square .... per oz, 



Cover glasses, No. 2, average thickness -008, 



per oz, 



£ B. d 



16 



average thickness -01 



1292 64 



circular 

 Ditto, square 

 Cover glasses, No. 3, 



circular . 

 Ditto, square 

 Micrometer screw gauge for measuring thickness 



of cover glass slips, etc. 

 Glass slips with ledge . 



Cells, metal, circular . . . per 100 



Cells, glass. .... per doz 



Troughs on 3 X 1 slips, small 

 Troughs on 3 X 1 slips, larger 

 Troughs on 3 X IJ slips 

 Tirough, IJ x li X J in. 

 Beck's glass trough 

 Live box 



Bousselet's live box 

 Beck compressor . 

 Stage forceps 

 Case of apparatus for holding objects, including 



3 slips, 2 slips with hollow, slip with ledge, 



trough on 3 X 1 slip. Beck's glass trough. 



Beck's compressor, stage forceps, live box 



and thin glass ...... 



Xylol 2 oz. 



Benzol . . . . . . 2 oz. 



Canada balsam, ptire, in benzol or xylol 25 gr. 

 Hollis glue ..... per bottle 



Turntable ...... 



Thoma-Hawksley Hsemacytometer, with two 



pipettes and covers in case .... 

 Ditto, but with Zappert, Tiirck, Fiichs and 



Rosenthal, or Breuer ruling 

 Ditto, Biirker model ..... 

 Haemacytometer chess-board pattern squared 



glass plate to drop into eyepiece, 25 squares of 



1 mm., 9 squares of 2 mm., or squares over 

 entire field either J mm., J mm., 1 mm., or 



2 mm. ...... each 



Counting chamber for use with chess-board 



Pipette for red corpuscles 



Pipette for white corpuscles . 



Microspectroscope eyepiece . 



Simple warm stage 



S.I.B.A. wax, per stick 6 X f in. 



Beck grinding and polishing machine for 



preparation of metallurgical specimens 

 standard machine without motor, with one 

 polishing disc, cover, catcher, disc-lifter, 12 

 feet connecting wire plug adapter, and tin 

 of grease ....... 



Extra polishing discs . . . . . 



Motors fitted at makers' current prices. 



12 6 



2 6 



7 6 



7 6 



1 16 

 7 6 

 16 



21 

 1 15 



