NEGBETTI AND ZAMBRA, HOLBOBN YIADUCT, E.G. 



383 



FIG. 2028. 



FIG. 2098. 



FIG. 2029. FIG. 2028*. FIG. 2099. FIG. 2099* 



1998 Graduated Gas Tubes, for measuring Gases, &c., 

 (figs. 1998 and 1998*) : 

 4 in. | in. about 1 cubic inch, showing l-100ths cubic inch 



6 in. | in. 1 1-lOOtha 



7 in. f in. 3 cubic inches l-50fchs 

 10 in. 1 in. 1 l-10ths 

 12iin.l|in. 14 l-10ths 



1999 



2000 



2001 



2002 



2003 



Dumas's Gas Tubes, for Nitrogen determinations, 17 in. 

 by 1 in., containing about 20 cubic inches, and 

 divided to either l-10th of a cubic inch or cubic 

 centimetres ......... 



Liebig's Gas Absorber, for saturating a liquid with Gas, 

 and useful in preparing a solution of any gas 



Kerr's Gas Tube, stoppered and graduated to 2 cubic 

 inches, so as to show l-10fch of a cubic inch (fig. 2001) 



Glass Plates, ground, for covering Air Jars : 



Square . 2in. 2 in. 3 in. 4 in. 8 in. 



Price . 8d. lOd. Is. Is. 6d. 2s. 



German Glass Tubing, free from lead, in lengths of 



about 36 or 18 inches, for convenience of packing : 



in. bore and under .... per Ib. 



n. n. 



down to in. 



s. d. 

 046 



4 6 



5 6 



12 6 

 016 



060 



026 

 020 



FIG. 2001, 



FIG. 2012. 



FIG. 2012*. 



