Sparton AJM

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1925-1929 Harley-Davidson parts manual horn page.
An electrical device with coils, wires, and metal bolts, mounted on a black and metallic structure, with a black lampshade or reflector attached.
Page from a motorcycle manual with black-and-white diagrams of a Harley-Davidson motorcycle, focusing on lubrication, comfort features, and front fork construction.
Harley Sparton AJM horn
Close-up of an old, rusty motorcycle's front section, showing the headlight, handlebar, and part of the front wheel and fender. In the background, a man walks past cars and a small red utility vehicle with a trailer attached at an outdoor event.
Close-up of an old, rusty motorcycle front end, including the headlight, suspension, and wiring, with vehicles and grass in the background.
1925-1928 Harley horn
A black, vintage car horn with mounting bracket placed on a wooden surface next to a piece of paper with handwritten notes.
Old red Harley Davidson motorcycle with parts and tools around it, outdoors on grass.
Advertisement page from a catalog for automobile horns and related accessories by Belknap Hardware & Manufacturing Co., featuring various models of automobile horns, brackets, and electric magnetic types. The page includes product descriptions, speci
Vintage Sparton service station booklet open to pages detailing maintenance instructions, guarantees, and listing service stations across various states.