72 MICROSCOPICAL EXAMINATION OF BACTERIA 



the short piece into the short cut. Turn the long end 

 of the wire sharply, also at right angles, and sink it 

 into the long channel so that it emerges from about 

 the centre of the cut end of the aluminium wire (Fig. 

 63). A few sharp taps with a watch maker's hammer 

 will now close in the sides of the two channels over the 

 wire and hold it securely. 



FIG. 64. Platinum rod in aluminium handle method of mounting. 



The platinum wire may be fused into the end of a piece of glass 

 rod, but such a handle is vastly inferior to aluminium and is not 

 to be recommended. 



8. Two pairs of sharp-pointed spring forceps (10 

 cm. long), one of which must be kept perfectly clean 

 and reserved for handling clean cover-slips, the other 

 being for use during staining operations. 



9. A box of clean 3 by i glass slips. 



10. A glass capsule with tightly fitting (ground on) 

 glass lid, containing clean cover-slips in absolute 

 alcohol. 



11. One of Faber's "grease pencils" (yellow, red, or 

 blue) for writing on glass. 



12. A wooden rack (Fig. 65) with twelve drop-bottles 

 (Fig. 66) each 60 c.c. capacity, containing 



Aniline water. 



Gentian violet, saturated alcoholic solution. 



Lugol's (Gram's) iodine. 



Absolute alcohol. 



Methylene-blue, } 



Fuchsin, basic, ) saturated alcoholic solution. 



