54 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



1816 



1818 



1819 



1821 



1823 



1812 



50 

 1.25 



BOTTLES, Specific Gravity, new style, with thermometer ground in central 

 neck and a capillary stopper ground in side neck. 



'Capacity, c.c 10 25 50 100 



Each $4.00 5.00 6.25 7.50 



1816 BOTTLES, Specific Gravity, Ostwald's Sprengel, each $1.00 



1818 BOTTLES, 'Specific Gravity, Regnault's, with narrow mouth for liquids. 



Capacity, c.c 25 



Each $1.00 



1819 BOTTLES, Specific Gravity, Boot's, double wall with vacuum, with perforated 



stopper and cap. Especially useful in taking the specific gravity of 

 liquids which are easily affected by temperature. 



Capacity, c.c 25 50 100 



Each $5.00 6.00 7.50 



1821 BOTTLES, Specific Gravity, Hubbard's, especially useful for semi-solid 



bitumens, dense oils, etc., consists of a fairly heavy straight 

 tube with a ground in solid stopper, with a 1.6 mm opening 

 through it instead of the usual capillary bore, capacity about 

 24cc, each $1.50 



1822 BOTTLES, Specific Gravity, Schumann's, for cement, each 5.00 



1823 BOTTLES, Specific Gravity, LeChatelier's, for cement 5.00 



1823(a) BOTTLES, Specific Gravity, LeChatelier's, as above, U. S. Bureau of 



Standards design 7.50 



1824 



1826 



1827 



1828 



1824 BOTTLES, Specific Gravity, Hogarth's, for determining specific gravity of 

 iron ores in iron analysis. See Blair's analysis, page 279 

 seventh edition $3.00 



1826 BOTTLES, Specific Gravity, Squibb's. 



Capacity, c.c 25 50 100 



Each $3.50 5.00 6.00 



1827 BOTTLES, Specific Gravity, Sprengel's, with ground on suction tube $1.50 



1828 BOTTLES, Specific Gravity, Sprengel's, with normal thermometer and 



ground on suction tube , 7.50 



