45, COKNHILL; E.C , AND 122, BEGENT STREET, W., LONDON. 



177 



FIG. 419 



FIG. 481. 



FIG. 424. 



FIG. 423. 



FIG. 436. 



FIG. 420. 



Each. 

 s. d. 



Each. 

 s. d. 



419 Hydrometer from 700 to 1-000 for Specific Gravities 



lighter than water (fig. 419) 066 



420 Hydrometer from 1-000 to 1-850 or 2-000, for fluids 



heavier than water (fig. 442) 066 



421 Beaume's Hydrometer '0 to -70, for fluids lighter than 



water 050 



422 Ditto Hydrometer, '0 to *40, for cane-juice 



and similar fluids heavier than water (fig. 422) . 050 



423 Beaume's Saccharometer, Brass Gilt, for sugar boiling, 



range '0, '40 176 



Beaume's Hydrometers are used extensively in England as well as in France, 

 and are applicable for testing all kinds of liquids. 



There are two distinct instruments, one for fluids lighter than water, and the 

 other for fluids heavier than water. 



The latter is for distinction called the Acidometer or Saccharometer 

 (pvse-acide or pese-sirop), the former the Spirit Hydrometer (pese-espritj . 



N 



