LABORATORY SUPPLIES AND CHEMICALS 



25 



Size No. 



1 



2 . 



Diam. of Pans 



9 in. 



. . . . 5*/ 2 in. 



1165 BALANCE Metric Solution Scales 



Two sizes. An even balance scale for 

 making rapidly reagent or any other kind 

 of composite solutions. 



The scale has two movable Brass pans, 

 and the weight rack is attached to the base 

 of the scale, and in it are fitted the weights, 

 which are made of solid brass. The scale 

 is provided with a side beam in front, un- 

 divided, and is used for balancing the bot- 

 tles or containers. With this scale can be 

 made the most accurate solutions. Sensi- 

 bility, % gram. 



Capacity Price 



5 kilos, to 1 gram $26.00 



1 kilo, to 1 gram 21.00 



CELERITAS SOLUTION SCALE 



1167 CELERITAS SOLUTION 

 SCALE. Capacity 20 kilos, (about 

 45 Ibs.) It will weigh liquids with 

 accuracy. The scale is provided 

 with two weighing beams and 

 sliding poises. One of these is 

 divided into 100 parts, each part 

 representing one gram; the other 

 beam is divided into 10 parts, each 

 part representing 100 grams. A 

 bar with a sliding poise is placed 

 under the weighing beam, for the 

 purpose of balancing the empty 

 bottle or container, which is quickly done by sliding the poise along the bar until 

 a correct balance is secured. Capacity, 20 kilos. Sensibility, 1 gram. 



Price $32.50 



1167 



1169 



1171 



1169 MINERS' POCKET SCALES. Made in three sizes, and strictly first class. 

 They are put up in neat tin boxes, with oval ends, and enameled green with 

 bronze stripes; entire scale is of brass, including deep brass pans, hung with 

 brass chains; full set of accurate weights are included. 



Capacity , . . . oz. 



Price ..each 



$2.75 



2 

 $3.25 



4 

 $4.50 



1171 ARMY PRESCRIPTION SCALE. On polished box; scale can be taken apart 

 and packed away in drawer of box; all parts nickel-plated; including a set of 

 weights from 2 drams to y? grain. 



Beam ins. 6 



Each $5.00 



7 

 $6.50 



8 

 $8.00 



