1893 - Thomas Edison received two U.S. patents. The first was for a "Cut Out for Incandescent Electric Lamps" and another for a "Stop Device" (No. 491,992-3). Also No. 492,150 for "Process of Coating Conductors for Incandescent Lamps."
... an elaborate set of phonological rules called sandhi and samaas which are expressed in its writing (except in so-called pada texts). Sandhi reflects the sort of blurring ...