LABORATORY SUPPLIES AND CHEMICALS 



69 



2080 



2082 



2084 



2084a 



2084b 



2080 BURETTE Float, Erdmann's $0.50 



2082 BURETTE Float, with points, to prevent adhering to walls 50 



2084 BURETTE Float, Beutell's 50 



2084a BURETTE Funnels, for filling burettes 20 



2084b BURETTE Meniscus-Reader, improved with lens and reading line 1.50 



2085 BURETTE Tips, per dozen . .25 



BURNERS 



2086 



2089 



2090 



2092 



2085 BURNER, Argand, with mica chimney, used in iron and steel laboratories 



for keeping even temperature $1.50 



2086a Extra Mica Chimneys 35 



2087 BURNER, Argand, like No. 2086, but with Copper Chimney 1.10 



2087a Extra Copper Chimneys 25 



2088 BURNER, Argand, like No. 2086, but with glass chimney 1.25 



2088a Extra Glass Chimneys 25 



2089 BURNER, Argand, like No. 2086, but without chimney and base, for screw- 



ing into gas pipe . 75 



2090 BLAST LAMPS, Bunsen's for gas 3.25 



2092 BLAST LAMPS, Fletcher's, for gas; upright 4.00 



(Can also be used as Bunsen burner.) 



