61 



1929 



1929 BRUSHES, 



1930 . BRUSHES, 



1931 BRUSHES, 



1932 BRUSHES, 



1933 BRUSHES, 

 1935 BRUSHES, 



1930 1932 1935 



Test tube, rattan handle with sponge attached, so called pro- 

 bangs. Each, lOc. Per dozen $1.10 



Test tube, bristles on tinned wire handle, with bristle end. Each, 



8c. Per dozen 60 



Test tube, bristles on brass wire handle, with bristle end. 

 Each, lOc. Per dozen 1.10 



Test tube, bristles, on tinned wire handle, with sponge end. 

 Each, 8c. Per dozen 75 



Test tube, bristles on brass wire handle, with sponge end. Each, 

 lOc. Per dozen 1.10 



Test tube. On tinned iron wire; bristle. Each, 5c. Per 

 dozen . 30 



1950 



1952 



1950 BULB, Chancel's, for finding specific gravity of gases $7.50 



1952 BULB, Glass, with tube at bottom for rubber tubing, to be used as a water or 

 mercury reservoir. 



Capacity, c.c 125 250 500 1000 



Each $0.50 .60 1.00 1.50 



1960 



1962 



1964 



1966 



1960 BULB, NITROGEN, Arndt & Kopp's, with 4 bulbs $0.50 



1962 BULB, NITROGEN, French pattern 50 



1964 BULB, NITROGEN, Fresenius', for direct titration : . . .75 



1966 BULB, NITROGEN, Haberman's 1.75 



