Category Archives: NFPA 72-1920

I just finished scanning, optimizing, cropping, combining, and OCRing the 1920 edition of NFPA 72. In 1920 document numbers weren’t used but rather its title:

Regulations
of the
National Board of Fire Underwriters
for the installation and use of
Signaling Systems
Used for the Transmission of Signals Affecting the Fire Hazard
as recommended by the
National Fire Protection Association
Edition of 1920
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