VEVOR Rotary Vane Vacuum Pump 1/2 HP 2 Stage AC Vacuum Pump 7 CFM 1/4 in. 3/8 in. SAE 1/2 in. ACME Male Inlet for HVAC Repair KDZ7CFM370WA1J1T5V1 - The Home Depot
1B22 SPARK GAP TUBE (RA-226) – NUKE NERD
ETC Source Four Zoom Lens Tube
SM5CBW - Tubedata
Radioactive Tubes!
Electron Tubes | Museum of Radiation and Radioactivity