/r 



SCIE 



Mew Skkies 



Vol. XXXIX. No. 1007 



TT'wTr. A V A T>T?TT 17 1 Q I 4 SINGLB COPIM, 15 CT6. 



l^RIDAY, APRIL 1(, lyi* Annual Sobbomptioh, «6.00 



THE TIFFANY 

 LABORATORY MOTOR 



(^^soniaci !n7^^ 



•■//.\ 



A most reliable and serviceable motor for stirring and shaking appara- 

 tus, and other laboratory purposes requiring a small amount of power. 

 The speed may be varied at wiU from 100 to 1800 r.p.m.; no rheostat 

 or other current wasteful means required to vary the speed. A rachet 

 arrangement permits of the motor and pulleys being turned and held 

 securely at any^^angle desired. 



For 110 volts D.C. or A.C., Net, $7.00 



EIMER ,-AND._ AMEND 



Headquarters for Laboratory Supplies 



205=211 ThirdfAvenue NEW YORK CITY 



