Example image of eyePlorer eyePlorer map for 'Neon sign': Glass Geissler tube William Crookes Chicago Expo (exhibition) Illinois Nikola Tesla World's Columbian Exposition Louisiana Purchase Exposition Perley G. Nutting Georges Claude Barber Los Angeles Packard United States Earle C. Anthony Incandescent light bulb Lead glass Torch Electrode Welding Vacuum Electric current Work function Noble gas Torr Argon Helium Krypton Neon Xenon Mercury (element) Ultraviolet Phosphor Neon sign transformer Switched-mode power supply Electrical impedance Cold cathode Lighting Advertising Commercial signage Light Animation Timeline of lighting technology BowMac Sign Electric blue (color) Made in Oregon sign Nylex Clock Pelaco Sign Skipping Girl Sign