[LB048148], Letter from West Orange Laboratory to Harkness Fire Extinguisher Co, March 6th, 1891
https://edisondigital.rutgers.edu/document/LB048148
Transcription
3/6/91 The Harkness Fire Co Gentlemen The inspector for the Middle States Inspection Bureau speaks unfavorably of the roof over our engine room which has now been supplied with sprinklers. Will you kindly inform us why no sprinklers placed there. Yours truly, Edison Secretary