EXCERPTS FROM SIGNAL ELECTRIC BROCHURE

FROM MENOMINEE COUNTY HISTORICAL SOCIETY'S ARCHIVES 

AT THE MICHAEL J. ANUTA RESEARCH CENTER

 

 

                                                                                                              

                                                                                                                

R-48 Key in use today at K8IR

Model 112K at K8IR

Model M-111 Standard Telegraph Set at K8IR

 

History of Signal Electric Company      

1922 Herald Leader Article

The Spark Key Project, more information on Signal and other keys  

Signal Electric Home Page

K8IR Home Page