Title: | Betty Lou's Wed. |
Date: | 1942–c. 1945 |
Material: | Stainless steel wire, steel reel, metal case, paper label |
Dimensions: | 3¼ × 1⅛ in. (83 × 29 mm) spool |
Company: | Armour Research Foundation |
Location: | Chicago, Illinois, USA |
Used by the Armed Forces Radio Service in World War II.