The longest-lasting one of these objects is located in a fire station in Livermore, California (20[11])and has been in (20[2])use (20[2])since (20[2])1901. (20[6]0[1])William Coolidge’s extra-ductile version of a key material aided in the production of these objects. The (20[1])Phoebus cartel (20[1])consisted of companies who planned to purposefully limit the lifespan of these objects. (20[2])At the World’s Columbian Exhibition, Grover Cleveland activated approximately (*) 100,000 of these objects (10[2])that were installed by a man (10[1])who also (10[1])invented the railway air brake, George Westinghouse. Carbonized bamboo (10[1])was used in these objects (0[1])when they were (10[1])publicly demonstrated at a Menlo Park lab. For 10 points, name these products popularized by Thomas Edison consisting of a glowing filament (10[1])in a glass vacuum. ■END■ (10[1])