60 



CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



No. 788. 



No. 792. 



No. 800-802. 



778. WEIGHTS, Metric, Universal. These weights are of brass, 

 finely finished, and are of a high degree of accuracy. 

 They are provided with a hook at the top and an eye 

 in the bottom, which is concave so that the weights can 

 be stood upright on a platform balance. This is a dis- 

 tinctly high grade set of weights and will be found of 

 great value in physical laboratory experiments, as well 

 as for general weighing. The set consists of nine weights 

 ranging from 10 grams to 1 kilo, with duplicates of the 

 20 and 200 gram pieces. Complete in finely finished hard- 

 wood block per set $6.00 



780. WEIGHTS, separate, same as No. 778. 



Size, grams 10 20 50 100 200 500 1000 



Each 25 .38 .50 .55 .65 .90 1.35 



782. WEIGHTS, Metric, Universal. These weights are made 

 of cast iron, neatly japanned, with the denomination in 

 raised figures. Of same general nature as No. 778, but 

 much less finely finished and accurate. The set comprises 

 nine weigh! s ranging from 10 grams to 1 kilo, with 

 duplicates of the 20 and 200 gram pieces. . .per st 3.35 



784. BLOCK of hardwood, with holes to fit No. 782 weights. 

 60 



786. WEIGHTS, separate, same as No. 782. 



Size, grams. 10 20 50 100 200 500 1000 2000 

 Each 13 .22 .25 .28 .35 .50 .90 1.45 



788. WEIGHTS, Metric, Iron, in nests, carefully adjusted. Sets 

 have duplicates of 20, 200 and 2000 grams. The 10 kilo 

 weight supplied with handle. 



No A B C D 



No. 782. Size 5 grams to, kilos.. 1 2 5 10 



Per set 2.25 3.35 7.25 12.25 



790. WEIGHTS, Metric, Iron, Single, same as in No. 788, for replacements. 



Size grams 5 10 20 50 100 200 500 Kilos. 



Each . ' 13 .13 .18 .20 .22 .27 .45 



792. WEIGHTS, Metric, Iron, Slotted, with holder. Set consists of one 500, five 100, one 50, two 20 

 and one 10 gram weights. These weights will fi No. 798 Weight Hanger listed below. . .per set 3.35 



794. WEIGHTS, Metric, Iron, Single. More accurate and of better finish than No. 792, with slot to fit 

 No. 796 Holder and No. 798 Hanger. Specially designed for use in Physics experiments with 

 simple machines, forces, etc. 



Size, grams 10 20 50 100 



Each " 22 .28 .33 .45 



796. WEIGHT HOLDER, only, of No. 792. Useful for holding No. 794 weights 



798. WEIGHT HANGER, for No. 794, weight 50 grams, capacity, 1500 grams 



800. WEIGHTS, Metric, Iron, Slotted, for use with hanger No. 802. 



Size, kilos % 1 '2 



Each 45 .65 1.10 



802. WEIGHT HANGER, for use with No. 800 Weights, of iron with hook; weight, 1 kilo; capacity, 

 20 kilos . 75 



No. 778. 



1 

 .65 



1.10 2.75 



10 

 5.00 



500 

 .65 



.55 

 .50 



5 

 2.75 



