Sparton AJM
Sparton AJM with motor cover removed
Original Harley ad showing the Sparton horn
Unrestored Sparton AJM horn
Original Harley JD with a Sparton AJM
1925-1928 Harley horn
Unrestored Sparton horn
Harley JD with Sparton AJM
Original Sparton horn advertisement
Vintage Sparton service station booklet.