134 



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



EVAPORATORS 



Waste products become by-products when properly handled. During the last quar- 

 ter of a century the Swenson Evaporator Company has been instrumental in the de- 

 velopment of a large variety of by-product industries. Such interesting instances as the 

 recovery and marketing of products from packing house waste waters, iron sulphate 

 from wire and plate mills, pickle solutions, etc., are examples of successes in which 

 they properly take a large share of credit. 



The Swenson Evaporator Company have installations at several institutions of 

 learning throughout the country, among which the University of Michigan, Massachu- 

 setts Institute of Technology, and Armour Institute of Technology are the most noted 

 examples. 

 Your further attention is directed to the Swenson advertisement in the advertising: section. 



232 



One of several Swenson types employed in the Swenson-University of Michigan 

 Laboratory, where experiments with liquors in car lots can be made. These are the 

 only facilities of this kind offered to American industries. 



210 



Swenson Jr. Single Effect, cast iron body, steel or copper horizontal tubes, jet 

 condenser, vacuum pump, fittings. See blueprint, page 21, Swenson catalogue. 



