

DIG SECTION I 



Devoted lo ihe Encouragement of Amateurs 



and Experimenters in the Field of 



Radio Communication. 



A Multiple Receiving Tuner 4 



By Chas. P. Seeger 



AS a rule, sending outfits are de- 

 scribed in greater detail than re- 

 ceptors, primarily because it is necessary 

 to conform to certain rules in setting up 

 a sending outfit. The average receiving 



typical of one or the other great systems 

 of radio telegraphy. In the following 

 article the author has endeavored to de- 

 scribe a Marconi type receiving set. 

 In the Marconi multiple tuner there is 



ToD.PD.T Sff. 

 if fe/ephone 

 \ fteyunof 



Dimensioned Plan of the Cabinet in Which is Placed the Different Apparatus Comprising the Multiple 



Receiving Tuner. 



outfit described is usually of a simple and 

 common design, no attempt being made 

 to furnish data for a set of apparatus 



*This article will be concluded in the August issue 

 of THE WORLD'S ADVANCE. 



an intermediate circuit of low damping 

 interposed between the aerial-earth cir- 

 cuit and the detector circuit. This inter- 

 mediate circuit has inductive coupling 

 with both the antenna and the detector 



119 



