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



59 



37 



No. 764. 



No. 770. 



No. 774. 



No. 766. 



No. 768. 



760. WEIGHTS. Prescription, according to the United States Bureau of Standards and the New York 

 Board of Pharmacy. In box with cover from 4 drams to 1/10 grain, consisting of the follow- 

 ing individual weights: 4, 2, 1, % drams; 2, and % scruples; 10, 5, 2, 1, 5/10, 2/10, and 1/10 

 grains ............. ........................................ . ................ per set $6.00 



762. WEIGHTS, Prescription, from 2 drams to 

 coin shaped, the grain weights of nickel 



grain, the dram and scruple weights of brass, 



per set .80 



764. WEIGHTS, Troy, brass, in hardwood block, adjusted to meet requirements of the Bureau of 

 Standards, Tenth Annual Conference on Weights and Measures. Weights below y t ounce fur- 

 nished in pennyweights and grains unless otherwise specified. 



Xo ..................................... A B C D 



Size % grains to, ounces ................. 1 2 5 10 



Per set ................................ 1.65 2.60 3.60 5.85 



766. WEIGHTS, Troy, of aluminum, square, from % grain to 10 grains, in pasteboard box. Shape is 

 such that they may be picked up readily ....................................... per set .65 



768. WEIGHTS, Troy, from % grain to 5 grains in pasteboard box. Bent from aluminum wire, in 

 shapes convenient to handle ............... .................................... per set .75 



WEIGHTS, ORDINARY GRADE, FOR COARSE WEIGHING 



770. WEIGHTS, Avoirdupois, Iron, sealed, in nests. 



Xo 



Size 14 z - to, Ibs 



Per set . 



A 

 1 



2.30 



B 



o 



2.80 



C 



4 



4.00 



772. WEIGHTS. Avoirdupois. Iron, sealed, same quality as above, single for replacements. 



Size, ounces 

 Each .. 



.35 



1 

 .35 



.35 



4 

 .35 



774. WEIGHTS, Avoirdupois, of iron with ring handle. 



Size, pounds 

 Each . 



8 

 .70 



1 

 .55 



Pounds 



2 

 .85 



1 

 70 



1.00 



4 

 1.70 



4 

 1.40 



776. WEIGHTS. Avoirdupois, safety valve. 



Size, pounds 



Each . 



10 

 2.75 



4 

 1.50 



D 



8 

 6.00 



8 

 3.00 



14 

 3.35 



8 

 2.50 



