For parts or not working. Large vintage homebrew vacuum-tube amateur radio transmitter. Completely untested and no attempt has been made to power it on. Extremely dirty from long-term storage with heavy dust, debris, cobwebs, oxidation, surface rust, aged wiring and general deterioration. An empty tube socket and possible missing, loose or damaged components are visible. Tube condition, transformer continuity and circuit completeness are unknown. Please examine every photograph carefully. Offered is a large vintage custom-built vacuum-tube amateur radio transmitter, believed to date from approximately the late 1950s or early 1960s. This is a one-of-a-kind homebrew transmitter incorporating an original Geloso V. Model 4/104, made in Italy. The model number was confirmed after removing the upper cover and photographing the interior. The transmitter also contains a desirable Halldorson M6502 Multi-Match modulation transformer, marked for 60 watts of audio power and impedances from 2,000 to 20,000 ohms. Halldorson M6502 modulation transformer. Multiple large power transformers and filter chokes. Several vintage top-cap vacuum tubes. Large air-variable tuning capacitors. Air-wound RF tank coil. Ceramic tube sockets and insulated components. Vintage cloth-covered wiring and period electronic parts. This is not a factory-built Geloso transmitter. It is a custom homebrew unit that incorporates a factory Geloso VFO along with components from several manufacturers. The unit is completely untested. It has not been plugged in or energized. It is extremely dirty from long-term storage and shows substantial dust, debris, cobwebs, oxidation, rust, corrosion and aged wiring. At least one tube socket is empty, and there may be additional missing, loose, disconnected or damaged components. No guarantees are made regarding the vacuum tubes, transformers, capacitors, wiring, meters, controls or any other component. Assume that the entire unit will require professional inspection and restoration. Because vintage tube transmitters can contain hazardous high-voltage circuitry, this should only be handled or restored by someone experienced with antique radio and amateur-radio electronics. What is shown in the photographs is exactly what is included. Brand: Unbranded / Homebrew. Model: Custom transmitter with Geloso 4/104 VFO. Type: Vacuum Tube Ham Radio Transmitter. Band: HF / Multiband. Condition: For parts or not working. Country of Origin: Unknown. Geloso component origin: Italy.