(Debates about what was actually said, or whether battery acid was involved or not aside...)
When the phone was invented: Mr. Watson, come here, I want to see you.
...Watson helps with the acid spill and gets a promotion.
If it had happened today: Watson, get your a** in here NOW.
...Watson is reprimanded and fired (er, uh.. "laid off") for allowing his manager to play with dangerous chemicals.