Jests in Time: That Poor Lightbulb

Q:  How many historical novelists does it take to change a light bulb?

A:  Well, that depends on which light bub you mean.  Do you mean the absolute first one?  That was in 1850.  Joseph Swan used carbonized filaments.  They burned out pretty quickly, so you'd need plenty of people ready to change it.    Swan registered the first UK patent for a covering a partial vacuum, carbon filament incandescent lamp.  The first light bulb using a tun...