Ornamental Electric Bulbs. Material: metal, glass. Size: 1/8" W x 1" H. (a,b) Description: red glass electrical light bulb, conical fluted shape; gold colored threaded base. (c ) Description: green glass electrical light bulb, conical fluted shape; gold colored threaded base. (d) Description: blue glass electrical light bulb, conical fluted shape; gold colored threaded base.