xiv Introduction 



Six tripods and bunsen burners or spirit lamps [2] 

 twelve pipe-clay triangles [4] 

 twelve crucibles or tin lids [3] 

 sixteen gas jars [4] 

 twelve beakers 250 c.c. capacity [4] 

 two beakers 500 cc. 

 two beakers 100 cc. 

 six egg-cups [2] 

 twelve funnels [3] 

 six funnel stands [1] 

 six perforated glass disks [3] 

 two tubulated bottles 500 cc, four corks to fit 

 cork borers 



4 lbs. assorted glass tubing 

 pestle and mortar 

 twelve Erlenmeyer flasks 60 cc. [3] 

 six saucers 



twelve flatbottomed flasks 100 cc, six fitted with India 

 rubber stoppers bored with one hole [3], and six 

 with ordinary corks [3] 

 box as in Fig. 13 



six glass tubes ^" diameter, 18" long [2] 

 six straight lamp chimneys [3] 

 six test tubes, corks to fit 



three Factory thermometers with stems 6 inches long 

 soil sampler (p. 88) 

 balance and weights 

 two retort stands with rings and clamp. 



The figures given in square brackets are the quan- 

 tities that suffice when the teacher alone does the 

 experiments, it not being convenient for the scholars 

 to do much. 



