[LB049146], Letter from Alfred Ord Tate to John F Ott, April 28th, 1891
https://edisondigital.rutgers.edu/document/LB049146
Transcription
{Letter from Alfred Ord Tate to John F Ott}
April 28, 1891.
John Ott,-
Instruct the Night Watchman that he is to allow absolutely no one to enter the Laboratory after closing hours at night, unless they present an order from you, Mr. Edison or myself, and that any breach of this rule will cost him his situation.