The Singer Manufacturing Company.
Guide for ordering and instructions for installing and adjusting Singer electric transmitters series 59 and 69 and Singer electric transmitter meters series 38. Form 19241 rev. (1046)
R594389. Guide for ordering and instructions for installing and adjusting Singer electric transmitters series 59 and 69 and Singer electric transmitter meters series 38. Form 19241 rev. (1046) By The Singer Manufacturing Company. NM: new illus. & text. © 27Feb47; AA25040. The Singer Company (PWH); 2Jan75; R594389.
The Singer Company|PWH