This is a genuine vintage Grover Products Co. Single Organtone Air Horn, measuring approximately 30" in overall length with a 7 1/4" front flare Bell. This is the highly sought adjustable model 1042 ( historically classic layout for PACCAR, Peterbilt, and Kenworth truck restorations).

The circular backplate is clearly stamped with the iconic " Grover Products Co. Los Angeles" factory branding.

Key features and specs:

Manufacturer: Grover Products Co (Los Angeles CA)

Model: Deluxe Single Organtone (Model 1042/Adjustable Series)

Length: 30"

Bell Size: Approximately 7 1/4" round diameter bell

Tuning: built in adjustable threaded bushing layout at the throat for pitch calibration.

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Hardware: Back cap is secured firmly with 6 Phillips head screws. Includes a brass 1/4" air line inlet fitting.

Condition notes: The horn is in solid uncleaned vintage condition. It shows an authentic uncleaned aged patina with light surface pitting, oxidation, and minor cosmetic blemishes across the trumpet body and back cap as pictured - perfect for a rat-rod look   or an easy polishing restoration project! The main body housing and mounting throat are free of structural cracks or breaks.