Crosley Fiver Horn Student Volt Ammeter made in

Student Volt Ammeter made in Boston in 1921

The Claravox iHORN is an extremely rare radio horn and is the only iHorn ever made from an Australian radio horn

By the late 19th century

Uses standard spool thread No

Crosley Fiver Horn Student Volt Ammeter made inThe Crosley Fiver Roamio iHorn is made from an exceptional and rare 1937 Crosley Fiver Roamio automobile radio coupled with a Grover Products Co. air horn. Grover Products was founded in 1937. The exact age of the horn cannot be determined. Together, they demonstrate American automobilia ingenuity They are spectacular. The Crosley Manufacturing Corp., founded by Powel Crosley Jr. of Cincinnati, Ohio, began selling low cost "Harko" crystal receivers