SCIENCE 



New Series _ ,. „, ,„„„ Annual Subsceiption, $6.00 



Vol. lvi, No. 1456 Friday, November 24, 1922 sn^^^s Copies, 15 Cts. 



MORGAN MOISTURE DETERMINATION CHAMBER 



According to Dr. J. J. Morgan of Columbia University 



This chamber is designed primarily for the determina- 

 tion of moisture in coal as per A. S. T. M. specifications. The 

 material is brass, nickel-plated. The chamber is arranged 

 for four or six crucibles and is intended to be used in con- 

 nection with a standard drying oven, as foB^'examtite the 

 Preas' automatically controlled electrically lT,eated oven. By 

 means of the coiled tube uniformly heated |iir or hydrog;§n 

 is brought Over the saniiDles to remove the ro()isture. '"' " ' ■ 



Morgan Moisture Determination Chamber for f ou;r;4|„ J! us^;' 

 crucibles $30.00 



Morgan Moisture Determination Chamber for six 



crucibles $35.00 



Write for Bulletin No. 293 



Emnna^BBBB^B^B AND m wa^aam^aa^mmmmmmm 

 ^FouKioeoiM^HHn(4if-^nM'^r Tliiii m i 85 i ii i 



NEW YORK CITY \;« 

 3rd Ave., ISth — 19th St. ' 



ESTABLISHED 1851 



g/ PITTSBURGH BRANCH 

 4048 Jenkins Arcade 



Headquarters for Laboratory Apparatus and Chemicals 



Washington, D. C, Display Room, Suite 601, Evening Star BuUding, Pennsylv 



Avenue and llth Street. 



