The Original HMV Speed Tester is a vintage accessory designed for 78 rpm phonographs and gramophones. This particular model, registered under the brand "His Masters Voice" with the Reg. No. 683472, serves as a unique tool for testing the speed of vinyl records, providing collectors and enthusiasts with a means to ensure their phonographs are functioning at the correct speed for optimal playback. Photographs are of the actual machine, it is as shown with no original packaging or further instructions.
