Condensed Miek and Milk Powder 



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THE WAGNER PRECISION 

 BABCOCK GLASSWARE 



For testing milk and its products, in accord- 

 ance with specifications formulated by the Bureau 

 of Standards, Washington, D. C, U. S. A., March 28, 

 1911, and adopted by the Official Dairy Instructors' 

 Association, October 30, 1911. 



In a circular the Bureau of Standards has set 

 forth all the specifications which must be followed 

 in the construction, as well as the methods to be 

 used in the verifications of calibration. These speci- 

 fications are generally known, those who are unac- 

 quainted with them can easily obtain a circular by 

 applying to the Bureau. 



"We only desire to say here that all our Preci- 

 sion Glassware is made in strict accordance with 

 the specifications of the Bureau of Standards. In 

 our manufactories in New York City and Camden, 

 N. J., every precaution is taken to produce uni- 

 formly excellent ware, very clear, free from striae, 

 and characterized by the accuracy and perfection 

 of its graduations. 



The markings are unusually exact, the lines 

 being sharp and uniform. The per cent marks on 

 the Test Bottles and pipettes are complete circles, 

 the half per cent marks are semi-circles, while all 

 other fractions are indicated with marks which 

 are longer than those usually employed; the num- 

 bers are large, even and distinct. The circled 

 grad&ation eliminates all former existing errors in 

 reading the test, the operator holds the bottle in 

 such a position that the front line covers the back j 

 line; in other words, the operator must hold the I 

 bottle perfectly vertical at both points in reading I 

 the test. All markings are permanent, and when | 

 especially ordered may be filled with coloring mat- 

 ter. a , 



The Wagner's Precision Glassware has gained 

 its popularity because of its distinctive excellency 

 and reliability. 



We manufacture absolutely accurate Ther- 1 

 mometers, Beaume Hydrometers, Lactometers, and | 

 a general line of chemical laboratory glass appa- 

 ratus. 



THE WAGNER GLASS WORKS 



695-697 E. 132d St., 

 NEW YORK CITY 



